diff --git a/docs/assets/css/bootstrap-responsive.css b/docs/assets/css/bootstrap-responsive.css
index 19c465e445..3731713e82 100644
--- a/docs/assets/css/bootstrap-responsive.css
+++ b/docs/assets/css/bootstrap-responsive.css
@@ -86,6 +86,9 @@
     width: auto;
     margin: 0;
   }
+  .btn-navbar {
+    display: block;
+  }
 }
 @media (min-width: 768px) and (max-width: 940px) {
   .container {
diff --git a/docs/assets/css/bootstrap.css b/docs/assets/css/bootstrap.css
index 7b47aebef3..43181db38c 100644
--- a/docs/assets/css/bootstrap.css
+++ b/docs/assets/css/bootstrap.css
@@ -1645,6 +1645,397 @@ table .span12 {
   filter: alpha(opacity=40);
   cursor: pointer;
 }
+.btn.primary,
+.btn.primary:hover,
+.btn.danger,
+.btn.danger:hover,
+.btn.success,
+.btn.success:hover,
+.btn.info,
+.btn.info:hover {
+  text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.25);
+  color: #ffffff;
+}
+.btn.primary.active,
+.btn.danger.active,
+.btn.success.active,
+.btn.info.active {
+  color: rgba(255, 255, 255, 0.75);
+}
+.btn.primary {
+  background-color: #006dcc;
+  background-image: -moz-linear-gradient(top, #0088cc, #0044cc);
+  background-image: -ms-linear-gradient(top, #0088cc, #0044cc);
+  background-image: -webkit-gradient(linear, 0 0, 0 100%, from(#0088cc), to(#0044cc));
+  background-image: -webkit-linear-gradient(top, #0088cc, #0044cc);
+  background-image: -o-linear-gradient(top, #0088cc, #0044cc);
+  background-image: linear-gradient(top, #0088cc, #0044cc);
+  background-repeat: repeat-x;
+  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#0088cc', endColorstr='#0044cc', GradientType=0);
+  border-color: #0044cc #0044cc #002a80;
+  border-color: rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.25);
+  filter: progid:DXImageTransform.Microsoft.gradient(enabled = false);
+}
+.btn.primary:hover,
+.btn.primary:active,
+.btn.primary.active,
+.btn.primary.disabled,
+.btn.primary[disabled] {
+  background-color: #0044cc;
+}
+.btn.primary:active, .btn.primary.active {
+  background-color: #003399 \9;
+}
+.btn.danger {
+  background-color: #da4f49;
+  background-image: -moz-linear-gradient(top, #ee5f5b, #bd362f);
+  background-image: -ms-linear-gradient(top, #ee5f5b, #bd362f);
+  background-image: -webkit-gradient(linear, 0 0, 0 100%, from(#ee5f5b), to(#bd362f));
+  background-image: -webkit-linear-gradient(top, #ee5f5b, #bd362f);
+  background-image: -o-linear-gradient(top, #ee5f5b, #bd362f);
+  background-image: linear-gradient(top, #ee5f5b, #bd362f);
+  background-repeat: repeat-x;
+  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ee5f5b', endColorstr='#bd362f', GradientType=0);
+  border-color: #bd362f #bd362f #802420;
+  border-color: rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.25);
+  filter: progid:DXImageTransform.Microsoft.gradient(enabled = false);
+}
+.btn.danger:hover,
+.btn.danger:active,
+.btn.danger.active,
+.btn.danger.disabled,
+.btn.danger[disabled] {
+  background-color: #bd362f;
+}
+.btn.danger:active, .btn.danger.active {
+  background-color: #942a25 \9;
+}
+.btn.success {
+  background-color: #5bb75b;
+  background-image: -moz-linear-gradient(top, #62c462, #51a351);
+  background-image: -ms-linear-gradient(top, #62c462, #51a351);
+  background-image: -webkit-gradient(linear, 0 0, 0 100%, from(#62c462), to(#51a351));
+  background-image: -webkit-linear-gradient(top, #62c462, #51a351);
+  background-image: -o-linear-gradient(top, #62c462, #51a351);
+  background-image: linear-gradient(top, #62c462, #51a351);
+  background-repeat: repeat-x;
+  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#62c462', endColorstr='#51a351', GradientType=0);
+  border-color: #51a351 #51a351 #387038;
+  border-color: rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.25);
+  filter: progid:DXImageTransform.Microsoft.gradient(enabled = false);
+}
+.btn.success:hover,
+.btn.success:active,
+.btn.success.active,
+.btn.success.disabled,
+.btn.success[disabled] {
+  background-color: #51a351;
+}
+.btn.success:active, .btn.success.active {
+  background-color: #408140 \9;
+}
+.btn.info {
+  background-color: #49afcd;
+  background-image: -moz-linear-gradient(top, #5bc0de, #2f96b4);
+  background-image: -ms-linear-gradient(top, #5bc0de, #2f96b4);
+  background-image: -webkit-gradient(linear, 0 0, 0 100%, from(#5bc0de), to(#2f96b4));
+  background-image: -webkit-linear-gradient(top, #5bc0de, #2f96b4);
+  background-image: -o-linear-gradient(top, #5bc0de, #2f96b4);
+  background-image: linear-gradient(top, #5bc0de, #2f96b4);
+  background-repeat: repeat-x;
+  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#5bc0de', endColorstr='#2f96b4', GradientType=0);
+  border-color: #2f96b4 #2f96b4 #1f6377;
+  border-color: rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.25);
+  filter: progid:DXImageTransform.Microsoft.gradient(enabled = false);
+}
+.btn.info:hover,
+.btn.info:active,
+.btn.info.active,
+.btn.info.disabled,
+.btn.info[disabled] {
+  background-color: #2f96b4;
+}
+.btn.info:active, .btn.info.active {
+  background-color: #24748c \9;
+}
+.btn {
+  display: inline-block;
+  padding: 4px 10px 4px;
+  font-size: 13px;
+  line-height: 18px;
+  color: #333333;
+  text-align: center;
+  text-shadow: 0 1px 1px rgba(255, 255, 255, 0.75);
+  background-color: #fafafa;
+  background-image: -webkit-gradient(linear, 0 0, 0 100%, from(#ffffff), color-stop(25%, #ffffff), to(#e6e6e6));
+  background-image: -webkit-linear-gradient(#ffffff, #ffffff 25%, #e6e6e6);
+  background-image: -moz-linear-gradient(top, #ffffff, #ffffff 25%, #e6e6e6);
+  background-image: -ms-linear-gradient(#ffffff, #ffffff 25%, #e6e6e6);
+  background-image: -o-linear-gradient(#ffffff, #ffffff 25%, #e6e6e6);
+  background-image: linear-gradient(#ffffff, #ffffff 25%, #e6e6e6);
+  background-repeat: no-repeat;
+  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffffff', endColorstr='#e6e6e6', GradientType=0);
+  border: 1px solid #ccc;
+  border-bottom-color: #bbb;
+  -webkit-border-radius: 4px;
+  -moz-border-radius: 4px;
+  border-radius: 4px;
+  -webkit-box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 1px 2px rgba(0, 0, 0, 0.05);
+  -moz-box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 1px 2px rgba(0, 0, 0, 0.05);
+  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 1px 2px rgba(0, 0, 0, 0.05);
+  cursor: pointer;
+  *margin-left: .3em;
+}
+.btn:first-child {
+  *margin-left: 0;
+}
+.btn:hover {
+  color: #333333;
+  text-decoration: none;
+  background-color: #e6e6e6;
+  background-position: 0 -15px;
+  -webkit-transition: background-position 0.1s linear;
+  -moz-transition: background-position 0.1s linear;
+  -ms-transition: background-position 0.1s linear;
+  -o-transition: background-position 0.1s linear;
+  transition: background-position 0.1s linear;
+}
+.btn:focus {
+  outline: thin dotted;
+  outline: 5px auto -webkit-focus-ring-color;
+  outline-offset: -2px;
+}
+.btn.active, .btn:active {
+  background-image: none;
+  -webkit-box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.15), 0 1px 2px rgba(0, 0, 0, 0.05);
+  -moz-box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.15), 0 1px 2px rgba(0, 0, 0, 0.05);
+  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.15), 0 1px 2px rgba(0, 0, 0, 0.05);
+  background-color: #e6e6e6;
+  background-color: #d9d9d9 \9;
+  color: rgba(0, 0, 0, 0.5);
+  outline: 0;
+}
+.btn.disabled, .btn[disabled] {
+  cursor: default;
+  background-image: none;
+  background-color: #e6e6e6;
+  opacity: 0.65;
+  filter: alpha(opacity=65);
+  -webkit-box-shadow: none;
+  -moz-box-shadow: none;
+  box-shadow: none;
+}
+.btn.large {
+  padding: 9px 14px;
+  font-size: 15px;
+  line-height: normal;
+  -webkit-border-radius: 5px;
+  -moz-border-radius: 5px;
+  border-radius: 5px;
+}
+.btn.large .icon {
+  margin-top: 1px;
+}
+.btn.small {
+  padding: 5px 9px;
+  font-size: 11px;
+  line-height: 16px;
+}
+.btn.small .icon {
+  margin-top: -1px;
+}
+button.btn, input[type="submit"].btn {
+  *padding-top: 2px;
+  *padding-bottom: 2px;
+}
+button.btn::-moz-focus-inner, input[type="submit"].btn::-moz-focus-inner {
+  padding: 0;
+  border: 0;
+}
+button.btn.large, input[type="submit"].btn.large {
+  *padding-top: 7px;
+  *padding-bottom: 7px;
+}
+button.btn.small, input[type="submit"].btn.small {
+  *padding-top: 3px;
+  *padding-bottom: 3px;
+}
+.btn-group {
+  position: relative;
+  *zoom: 1;
+  *margin-left: .3em;
+}
+.btn-group:before, .btn-group:after {
+  display: table;
+  content: "";
+}
+.btn-group:after {
+  clear: both;
+}
+.btn-group:first-child {
+  *margin-left: 0;
+}
+.btn-group + .btn-group {
+  margin-left: 5px;
+}
+.btn-toolbar {
+  margin-top: 9px;
+  margin-bottom: 9px;
+}
+.btn-toolbar .btn-group {
+  display: inline-block;
+  *display: inline;
+  /* IE7 inline-block hack */
+
+  *zoom: 1;
+}
+.btn-group .btn {
+  position: relative;
+  float: left;
+  margin-left: -1px;
+  -webkit-border-radius: 0;
+  -moz-border-radius: 0;
+  border-radius: 0;
+}
+.btn-group .btn:first-child {
+  margin-left: 0;
+  -webkit-border-top-left-radius: 4px;
+  -moz-border-radius-topleft: 4px;
+  border-top-left-radius: 4px;
+  -webkit-border-bottom-left-radius: 4px;
+  -moz-border-radius-bottomleft: 4px;
+  border-bottom-left-radius: 4px;
+}
+.btn-group .btn:last-child, .btn-group .dropdown-toggle {
+  -webkit-border-top-right-radius: 4px;
+  -moz-border-radius-topright: 4px;
+  border-top-right-radius: 4px;
+  -webkit-border-bottom-right-radius: 4px;
+  -moz-border-radius-bottomright: 4px;
+  border-bottom-right-radius: 4px;
+}
+.btn-group .btn.large:first-child {
+  margin-left: 0;
+  -webkit-border-top-left-radius: 6px;
+  -moz-border-radius-topleft: 6px;
+  border-top-left-radius: 6px;
+  -webkit-border-bottom-left-radius: 6px;
+  -moz-border-radius-bottomleft: 6px;
+  border-bottom-left-radius: 6px;
+}
+.btn-group .btn.large:last-child, .btn-group .large.dropdown-toggle {
+  -webkit-border-top-right-radius: 6px;
+  -moz-border-radius-topright: 6px;
+  border-top-right-radius: 6px;
+  -webkit-border-bottom-right-radius: 6px;
+  -moz-border-radius-bottomright: 6px;
+  border-bottom-right-radius: 6px;
+}
+.btn-group .btn:hover,
+.btn-group .btn:focus,
+.btn-group .btn:active,
+.btn-group .btn.active {
+  z-index: 2;
+}
+.btn-group .dropdown-toggle:active, .btn-group.open .dropdown-toggle {
+  outline: 0;
+}
+.btn-group .dropdown-toggle {
+  padding-left: 8px;
+  padding-right: 8px;
+  -webkit-box-shadow: inset 1px 0 0 rgba(255, 255, 255, 0.125), inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 1px 2px rgba(0, 0, 0, 0.05);
+  -moz-box-shadow: inset 1px 0 0 rgba(255, 255, 255, 0.125), inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 1px 2px rgba(0, 0, 0, 0.05);
+  box-shadow: inset 1px 0 0 rgba(255, 255, 255, 0.125), inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 1px 2px rgba(0, 0, 0, 0.05);
+  *padding-top: 5px;
+  *padding-bottom: 5px;
+}
+.btn-group.open {
+  *z-index: 1000;
+}
+.btn-group.open .dropdown-menu {
+  display: block;
+  margin-top: 1px;
+  -webkit-border-radius: 5px;
+  -moz-border-radius: 5px;
+  border-radius: 5px;
+}
+.btn-group.open .dropdown-toggle {
+  background-image: none;
+  -webkit-box-shadow: inset 0 1px 6px rgba(0, 0, 0, 0.15), 0 1px 2px rgba(0, 0, 0, 0.05);
+  -moz-box-shadow: inset 0 1px 6px rgba(0, 0, 0, 0.15), 0 1px 2px rgba(0, 0, 0, 0.05);
+  box-shadow: inset 0 1px 6px rgba(0, 0, 0, 0.15), 0 1px 2px rgba(0, 0, 0, 0.05);
+}
+.btn .caret {
+  margin-top: 7px;
+  margin-left: 0;
+}
+.btn:hover .caret, .open.btn-group .caret {
+  opacity: 1;
+  filter: alpha(opacity=100);
+}
+.primary .caret,
+.danger .caret,
+.info .caret,
+.success .caret {
+  border-top-color: #ffffff;
+  opacity: 0.75;
+  filter: alpha(opacity=75);
+}
+.btn.small .caret {
+  margin-top: 4px;
+}
+.alert {
+  padding: 8px 35px 8px 14px;
+  margin-bottom: 18px;
+  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.5);
+  background-color: #fcf8e3;
+  border: 1px solid #fbeed5;
+  -webkit-border-radius: 4px;
+  -moz-border-radius: 4px;
+  border-radius: 4px;
+}
+.alert, .alert-heading {
+  color: #c09853;
+}
+.alert .close {
+  position: relative;
+  right: -21px;
+  line-height: 18px;
+}
+.alert-success {
+  background-color: #dff0d8;
+  border-color: #d6e9c6;
+}
+.alert-success, .alert-success .alert-heading {
+  color: #468847;
+}
+.alert-danger, .alert-error {
+  background-color: #f2dede;
+  border-color: #eed3d7;
+}
+.alert-danger,
+.alert-error,
+.alert-danger .alert-heading,
+.alert-error .alert-heading {
+  color: #b94a48;
+}
+.alert-info {
+  background-color: #d9edf7;
+  border-color: #bce8f1;
+}
+.alert-info, .alert-info .alert-heading {
+  color: #3a87ad;
+}
+.alert-block {
+  padding-top: 14px;
+  padding-bottom: 14px;
+}
+.alert-block > p, .alert-block > ul {
+  margin-bottom: 0;
+}
+.alert-block p + p {
+  margin-top: 5px;
+}
 .nav {
   margin-left: 0;
   margin-bottom: 18px;
@@ -1917,6 +2308,53 @@ table .span12 {
   -moz-box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25), inset 0 -1px 0 rgba(0, 0, 0, 0.1);
   box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25), inset 0 -1px 0 rgba(0, 0, 0, 0.1);
 }
+.btn-navbar {
+  display: none;
+  float: right;
+  padding: 7px 10px;
+  margin-left: 10px;
+  margin-right: 10px;
+  background-color: #2c2c2c;
+  background-image: -moz-linear-gradient(top, #333333, #222222);
+  background-image: -ms-linear-gradient(top, #333333, #222222);
+  background-image: -webkit-gradient(linear, 0 0, 0 100%, from(#333333), to(#222222));
+  background-image: -webkit-linear-gradient(top, #333333, #222222);
+  background-image: -o-linear-gradient(top, #333333, #222222);
+  background-image: linear-gradient(top, #333333, #222222);
+  background-repeat: repeat-x;
+  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#333333', endColorstr='#222222', GradientType=0);
+  border-color: #222222 #222222 #000000;
+  border-color: rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.25);
+  filter: progid:DXImageTransform.Microsoft.gradient(enabled = false);
+  -webkit-box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1), 0 1px 0 rgba(255, 255, 255, 0.075);
+  -moz-box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1), 0 1px 0 rgba(255, 255, 255, 0.075);
+  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1), 0 1px 0 rgba(255, 255, 255, 0.075);
+}
+.btn-navbar:hover,
+.btn-navbar:active,
+.btn-navbar.active,
+.btn-navbar.disabled,
+.btn-navbar[disabled] {
+  background-color: #222222;
+}
+.btn-navbar:active, .btn-navbar.active {
+  background-color: #080808 \9;
+}
+.btn-navbar .i-bar {
+  display: block;
+  width: 18px;
+  height: 2px;
+  background-color: #f5f5f5;
+  -webkit-border-radius: 1px;
+  -moz-border-radius: 1px;
+  border-radius: 1px;
+  -webkit-box-shadow: 0 1px 0 rgba(0, 0, 0, 0.25);
+  -moz-box-shadow: 0 1px 0 rgba(0, 0, 0, 0.25);
+  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.25);
+}
+.btn-navbar .i-bar + .i-bar {
+  margin-top: 3px;
+}
 .navbar .brand:hover {
   color: #ffffff;
   text-decoration: none;
@@ -2507,397 +2945,6 @@ table .span12 {
 .popover .content p, .popover .content ul, .popover .content ol {
   margin-bottom: 0;
 }
-.btn.primary,
-.btn.primary:hover,
-.btn.danger,
-.btn.danger:hover,
-.btn.success,
-.btn.success:hover,
-.btn.info,
-.btn.info:hover {
-  text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.25);
-  color: #ffffff;
-}
-.btn.primary.active,
-.btn.danger.active,
-.btn.success.active,
-.btn.info.active {
-  color: rgba(255, 255, 255, 0.75);
-}
-.btn.primary {
-  background-color: #006dcc;
-  background-image: -moz-linear-gradient(top, #0088cc, #0044cc);
-  background-image: -ms-linear-gradient(top, #0088cc, #0044cc);
-  background-image: -webkit-gradient(linear, 0 0, 0 100%, from(#0088cc), to(#0044cc));
-  background-image: -webkit-linear-gradient(top, #0088cc, #0044cc);
-  background-image: -o-linear-gradient(top, #0088cc, #0044cc);
-  background-image: linear-gradient(top, #0088cc, #0044cc);
-  background-repeat: repeat-x;
-  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#0088cc', endColorstr='#0044cc', GradientType=0);
-  border-color: #0044cc #0044cc #002a80;
-  border-color: rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.25);
-  filter: progid:DXImageTransform.Microsoft.gradient(enabled = false);
-}
-.btn.primary:hover,
-.btn.primary:active,
-.btn.primary.active,
-.btn.primary.disabled,
-.btn.primary[disabled] {
-  background-color: #0044cc;
-}
-.btn.primary:active, .btn.primary.active {
-  background-color: #003399 \9;
-}
-.btn.danger {
-  background-color: #da4f49;
-  background-image: -moz-linear-gradient(top, #ee5f5b, #bd362f);
-  background-image: -ms-linear-gradient(top, #ee5f5b, #bd362f);
-  background-image: -webkit-gradient(linear, 0 0, 0 100%, from(#ee5f5b), to(#bd362f));
-  background-image: -webkit-linear-gradient(top, #ee5f5b, #bd362f);
-  background-image: -o-linear-gradient(top, #ee5f5b, #bd362f);
-  background-image: linear-gradient(top, #ee5f5b, #bd362f);
-  background-repeat: repeat-x;
-  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ee5f5b', endColorstr='#bd362f', GradientType=0);
-  border-color: #bd362f #bd362f #802420;
-  border-color: rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.25);
-  filter: progid:DXImageTransform.Microsoft.gradient(enabled = false);
-}
-.btn.danger:hover,
-.btn.danger:active,
-.btn.danger.active,
-.btn.danger.disabled,
-.btn.danger[disabled] {
-  background-color: #bd362f;
-}
-.btn.danger:active, .btn.danger.active {
-  background-color: #942a25 \9;
-}
-.btn.success {
-  background-color: #5bb75b;
-  background-image: -moz-linear-gradient(top, #62c462, #51a351);
-  background-image: -ms-linear-gradient(top, #62c462, #51a351);
-  background-image: -webkit-gradient(linear, 0 0, 0 100%, from(#62c462), to(#51a351));
-  background-image: -webkit-linear-gradient(top, #62c462, #51a351);
-  background-image: -o-linear-gradient(top, #62c462, #51a351);
-  background-image: linear-gradient(top, #62c462, #51a351);
-  background-repeat: repeat-x;
-  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#62c462', endColorstr='#51a351', GradientType=0);
-  border-color: #51a351 #51a351 #387038;
-  border-color: rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.25);
-  filter: progid:DXImageTransform.Microsoft.gradient(enabled = false);
-}
-.btn.success:hover,
-.btn.success:active,
-.btn.success.active,
-.btn.success.disabled,
-.btn.success[disabled] {
-  background-color: #51a351;
-}
-.btn.success:active, .btn.success.active {
-  background-color: #408140 \9;
-}
-.btn.info {
-  background-color: #49afcd;
-  background-image: -moz-linear-gradient(top, #5bc0de, #2f96b4);
-  background-image: -ms-linear-gradient(top, #5bc0de, #2f96b4);
-  background-image: -webkit-gradient(linear, 0 0, 0 100%, from(#5bc0de), to(#2f96b4));
-  background-image: -webkit-linear-gradient(top, #5bc0de, #2f96b4);
-  background-image: -o-linear-gradient(top, #5bc0de, #2f96b4);
-  background-image: linear-gradient(top, #5bc0de, #2f96b4);
-  background-repeat: repeat-x;
-  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#5bc0de', endColorstr='#2f96b4', GradientType=0);
-  border-color: #2f96b4 #2f96b4 #1f6377;
-  border-color: rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.25);
-  filter: progid:DXImageTransform.Microsoft.gradient(enabled = false);
-}
-.btn.info:hover,
-.btn.info:active,
-.btn.info.active,
-.btn.info.disabled,
-.btn.info[disabled] {
-  background-color: #2f96b4;
-}
-.btn.info:active, .btn.info.active {
-  background-color: #24748c \9;
-}
-.btn {
-  display: inline-block;
-  padding: 4px 10px 4px;
-  font-size: 13px;
-  line-height: 18px;
-  color: #333333;
-  text-align: center;
-  text-shadow: 0 1px 1px rgba(255, 255, 255, 0.75);
-  background-color: #fafafa;
-  background-image: -webkit-gradient(linear, 0 0, 0 100%, from(#ffffff), color-stop(25%, #ffffff), to(#e6e6e6));
-  background-image: -webkit-linear-gradient(#ffffff, #ffffff 25%, #e6e6e6);
-  background-image: -moz-linear-gradient(top, #ffffff, #ffffff 25%, #e6e6e6);
-  background-image: -ms-linear-gradient(#ffffff, #ffffff 25%, #e6e6e6);
-  background-image: -o-linear-gradient(#ffffff, #ffffff 25%, #e6e6e6);
-  background-image: linear-gradient(#ffffff, #ffffff 25%, #e6e6e6);
-  background-repeat: no-repeat;
-  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffffff', endColorstr='#e6e6e6', GradientType=0);
-  border: 1px solid #ccc;
-  border-bottom-color: #bbb;
-  -webkit-border-radius: 4px;
-  -moz-border-radius: 4px;
-  border-radius: 4px;
-  -webkit-box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 1px 2px rgba(0, 0, 0, 0.05);
-  -moz-box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 1px 2px rgba(0, 0, 0, 0.05);
-  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 1px 2px rgba(0, 0, 0, 0.05);
-  cursor: pointer;
-  *margin-left: .3em;
-}
-.btn:first-child {
-  *margin-left: 0;
-}
-.btn:hover {
-  color: #333333;
-  text-decoration: none;
-  background-color: #e6e6e6;
-  background-position: 0 -15px;
-  -webkit-transition: background-position 0.1s linear;
-  -moz-transition: background-position 0.1s linear;
-  -ms-transition: background-position 0.1s linear;
-  -o-transition: background-position 0.1s linear;
-  transition: background-position 0.1s linear;
-}
-.btn:focus {
-  outline: thin dotted;
-  outline: 5px auto -webkit-focus-ring-color;
-  outline-offset: -2px;
-}
-.btn.active, .btn:active {
-  background-image: none;
-  -webkit-box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.15), 0 1px 2px rgba(0, 0, 0, 0.05);
-  -moz-box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.15), 0 1px 2px rgba(0, 0, 0, 0.05);
-  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.15), 0 1px 2px rgba(0, 0, 0, 0.05);
-  background-color: #e6e6e6;
-  background-color: #d9d9d9 \9;
-  color: rgba(0, 0, 0, 0.5);
-  outline: 0;
-}
-.btn.disabled, .btn[disabled] {
-  cursor: default;
-  background-image: none;
-  background-color: #e6e6e6;
-  opacity: 0.65;
-  filter: alpha(opacity=65);
-  -webkit-box-shadow: none;
-  -moz-box-shadow: none;
-  box-shadow: none;
-}
-.btn.large {
-  padding: 9px 14px;
-  font-size: 15px;
-  line-height: normal;
-  -webkit-border-radius: 5px;
-  -moz-border-radius: 5px;
-  border-radius: 5px;
-}
-.btn.large .icon {
-  margin-top: 1px;
-}
-.btn.small {
-  padding: 5px 9px;
-  font-size: 11px;
-  line-height: 16px;
-}
-.btn.small .icon {
-  margin-top: -1px;
-}
-button.btn, input[type="submit"].btn {
-  *padding-top: 2px;
-  *padding-bottom: 2px;
-}
-button.btn::-moz-focus-inner, input[type="submit"].btn::-moz-focus-inner {
-  padding: 0;
-  border: 0;
-}
-button.btn.large, input[type="submit"].btn.large {
-  *padding-top: 7px;
-  *padding-bottom: 7px;
-}
-button.btn.small, input[type="submit"].btn.small {
-  *padding-top: 3px;
-  *padding-bottom: 3px;
-}
-.btn-group {
-  position: relative;
-  *zoom: 1;
-  *margin-left: .3em;
-}
-.btn-group:before, .btn-group:after {
-  display: table;
-  content: "";
-}
-.btn-group:after {
-  clear: both;
-}
-.btn-group:first-child {
-  *margin-left: 0;
-}
-.btn-group + .btn-group {
-  margin-left: 5px;
-}
-.btn-toolbar {
-  margin-top: 9px;
-  margin-bottom: 9px;
-}
-.btn-toolbar .btn-group {
-  display: inline-block;
-  *display: inline;
-  /* IE7 inline-block hack */
-
-  *zoom: 1;
-}
-.btn-group .btn {
-  position: relative;
-  float: left;
-  margin-left: -1px;
-  -webkit-border-radius: 0;
-  -moz-border-radius: 0;
-  border-radius: 0;
-}
-.btn-group .btn:first-child {
-  margin-left: 0;
-  -webkit-border-top-left-radius: 4px;
-  -moz-border-radius-topleft: 4px;
-  border-top-left-radius: 4px;
-  -webkit-border-bottom-left-radius: 4px;
-  -moz-border-radius-bottomleft: 4px;
-  border-bottom-left-radius: 4px;
-}
-.btn-group .btn:last-child, .btn-group .dropdown-toggle {
-  -webkit-border-top-right-radius: 4px;
-  -moz-border-radius-topright: 4px;
-  border-top-right-radius: 4px;
-  -webkit-border-bottom-right-radius: 4px;
-  -moz-border-radius-bottomright: 4px;
-  border-bottom-right-radius: 4px;
-}
-.btn-group .btn.large:first-child {
-  margin-left: 0;
-  -webkit-border-top-left-radius: 6px;
-  -moz-border-radius-topleft: 6px;
-  border-top-left-radius: 6px;
-  -webkit-border-bottom-left-radius: 6px;
-  -moz-border-radius-bottomleft: 6px;
-  border-bottom-left-radius: 6px;
-}
-.btn-group .btn.large:last-child, .btn-group .large.dropdown-toggle {
-  -webkit-border-top-right-radius: 6px;
-  -moz-border-radius-topright: 6px;
-  border-top-right-radius: 6px;
-  -webkit-border-bottom-right-radius: 6px;
-  -moz-border-radius-bottomright: 6px;
-  border-bottom-right-radius: 6px;
-}
-.btn-group .btn:hover,
-.btn-group .btn:focus,
-.btn-group .btn:active,
-.btn-group .btn.active {
-  z-index: 2;
-}
-.btn-group .dropdown-toggle:active, .btn-group.open .dropdown-toggle {
-  outline: 0;
-}
-.btn-group .dropdown-toggle {
-  padding-left: 8px;
-  padding-right: 8px;
-  -webkit-box-shadow: inset 1px 0 0 rgba(255, 255, 255, 0.125), inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 1px 2px rgba(0, 0, 0, 0.05);
-  -moz-box-shadow: inset 1px 0 0 rgba(255, 255, 255, 0.125), inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 1px 2px rgba(0, 0, 0, 0.05);
-  box-shadow: inset 1px 0 0 rgba(255, 255, 255, 0.125), inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 1px 2px rgba(0, 0, 0, 0.05);
-  *padding-top: 5px;
-  *padding-bottom: 5px;
-}
-.btn-group.open {
-  *z-index: 1000;
-}
-.btn-group.open .dropdown-menu {
-  display: block;
-  margin-top: 1px;
-  -webkit-border-radius: 5px;
-  -moz-border-radius: 5px;
-  border-radius: 5px;
-}
-.btn-group.open .dropdown-toggle {
-  background-image: none;
-  -webkit-box-shadow: inset 0 1px 6px rgba(0, 0, 0, 0.15), 0 1px 2px rgba(0, 0, 0, 0.05);
-  -moz-box-shadow: inset 0 1px 6px rgba(0, 0, 0, 0.15), 0 1px 2px rgba(0, 0, 0, 0.05);
-  box-shadow: inset 0 1px 6px rgba(0, 0, 0, 0.15), 0 1px 2px rgba(0, 0, 0, 0.05);
-}
-.btn .caret {
-  margin-top: 7px;
-  margin-left: 0;
-}
-.btn:hover .caret, .open.btn-group .caret {
-  opacity: 1;
-  filter: alpha(opacity=100);
-}
-.primary .caret,
-.danger .caret,
-.info .caret,
-.success .caret {
-  border-top-color: #ffffff;
-  opacity: 0.75;
-  filter: alpha(opacity=75);
-}
-.btn.small .caret {
-  margin-top: 4px;
-}
-.alert {
-  padding: 8px 35px 8px 14px;
-  margin-bottom: 18px;
-  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.5);
-  background-color: #fcf8e3;
-  border: 1px solid #fbeed5;
-  -webkit-border-radius: 4px;
-  -moz-border-radius: 4px;
-  border-radius: 4px;
-}
-.alert, .alert-heading {
-  color: #c09853;
-}
-.alert .close {
-  position: relative;
-  right: -21px;
-  line-height: 18px;
-}
-.alert-success {
-  background-color: #dff0d8;
-  border-color: #d6e9c6;
-}
-.alert-success, .alert-success .alert-heading {
-  color: #468847;
-}
-.alert-danger, .alert-error {
-  background-color: #f2dede;
-  border-color: #eed3d7;
-}
-.alert-danger,
-.alert-error,
-.alert-danger .alert-heading,
-.alert-error .alert-heading {
-  color: #b94a48;
-}
-.alert-info {
-  background-color: #d9edf7;
-  border-color: #bce8f1;
-}
-.alert-info, .alert-info .alert-heading {
-  color: #3a87ad;
-}
-.alert-block {
-  padding-top: 14px;
-  padding-bottom: 14px;
-}
-.alert-block > p, .alert-block > ul {
-  margin-bottom: 0;
-}
-.alert-block p + p {
-  margin-top: 5px;
-}
 .thumbnails {
   margin-left: -20px;
   list-style: none;
diff --git a/docs/base-css.html b/docs/base-css.html
index 10f3db03dc..aa0ac664fc 100644
--- a/docs/base-css.html
+++ b/docs/base-css.html
@@ -33,6 +33,11 @@
     <div class="navbar navbar-fixed-top">
       <div class="navbar-inner">
         <div class="container">
+          <a class="btn btn-navbar">
+            <span class="i-bar"></span>
+            <span class="i-bar"></span>
+            <span class="i-bar"></span>
+          </a>
           <a class="brand" href="./index.html">Bootstrap</a>
           <ul class="nav">
             <li class="">
diff --git a/docs/components.html b/docs/components.html
index 1d5cbc9263..f584d90bd2 100644
--- a/docs/components.html
+++ b/docs/components.html
@@ -33,6 +33,11 @@
     <div class="navbar navbar-fixed-top">
       <div class="navbar-inner">
         <div class="container">
+          <a class="btn btn-navbar">
+            <span class="i-bar"></span>
+            <span class="i-bar"></span>
+            <span class="i-bar"></span>
+          </a>
           <a class="brand" href="./index.html">Bootstrap</a>
           <ul class="nav">
             <li class="">
diff --git a/docs/download.html b/docs/download.html
index 37ffb30af6..22feac3440 100644
--- a/docs/download.html
+++ b/docs/download.html
@@ -33,6 +33,11 @@
     <div class="navbar navbar-fixed-top">
       <div class="navbar-inner">
         <div class="container">
+          <a class="btn btn-navbar">
+            <span class="i-bar"></span>
+            <span class="i-bar"></span>
+            <span class="i-bar"></span>
+          </a>
           <a class="brand" href="./index.html">Bootstrap</a>
           <ul class="nav">
             <li class="">
diff --git a/docs/examples.html b/docs/examples.html
index 78d9c588e1..a43b5bec74 100644
--- a/docs/examples.html
+++ b/docs/examples.html
@@ -33,6 +33,11 @@
     <div class="navbar navbar-fixed-top">
       <div class="navbar-inner">
         <div class="container">
+          <a class="btn btn-navbar">
+            <span class="i-bar"></span>
+            <span class="i-bar"></span>
+            <span class="i-bar"></span>
+          </a>
           <a class="brand" href="./index.html">Bootstrap</a>
           <ul class="nav">
             <li class="">
diff --git a/docs/index.html b/docs/index.html
index 25e4778028..bb63674a89 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -33,6 +33,11 @@
     <div class="navbar navbar-fixed-top">
       <div class="navbar-inner">
         <div class="container">
+          <a class="btn btn-navbar">
+            <span class="i-bar"></span>
+            <span class="i-bar"></span>
+            <span class="i-bar"></span>
+          </a>
           <a class="brand" href="./index.html">Bootstrap</a>
           <ul class="nav">
             <li class="active">
diff --git a/docs/javascript.html b/docs/javascript.html
index a35b44dd37..adc73d462e 100644
--- a/docs/javascript.html
+++ b/docs/javascript.html
@@ -33,6 +33,11 @@
     <div class="navbar navbar-fixed-top">
       <div class="navbar-inner">
         <div class="container">
+          <a class="btn btn-navbar">
+            <span class="i-bar"></span>
+            <span class="i-bar"></span>
+            <span class="i-bar"></span>
+          </a>
           <a class="brand" href="./index.html">Bootstrap</a>
           <ul class="nav">
             <li class="">
diff --git a/docs/less.html b/docs/less.html
index 72ce452ba0..165852a3f5 100644
--- a/docs/less.html
+++ b/docs/less.html
@@ -33,6 +33,11 @@
     <div class="navbar navbar-fixed-top">
       <div class="navbar-inner">
         <div class="container">
+          <a class="btn btn-navbar">
+            <span class="i-bar"></span>
+            <span class="i-bar"></span>
+            <span class="i-bar"></span>
+          </a>
           <a class="brand" href="./index.html">Bootstrap</a>
           <ul class="nav">
             <li class="">
diff --git a/docs/scaffolding.html b/docs/scaffolding.html
index 91ef9556fe..2b797ded79 100644
--- a/docs/scaffolding.html
+++ b/docs/scaffolding.html
@@ -33,6 +33,11 @@
     <div class="navbar navbar-fixed-top">
       <div class="navbar-inner">
         <div class="container">
+          <a class="btn btn-navbar">
+            <span class="i-bar"></span>
+            <span class="i-bar"></span>
+            <span class="i-bar"></span>
+          </a>
           <a class="brand" href="./index.html">Bootstrap</a>
           <ul class="nav">
             <li class="">
diff --git a/docs/templates/layout.mustache b/docs/templates/layout.mustache
index 46e3d03d61..673673dff4 100644
--- a/docs/templates/layout.mustache
+++ b/docs/templates/layout.mustache
@@ -33,6 +33,11 @@
     <div class="navbar navbar-fixed-top">
       <div class="navbar-inner">
         <div class="container">
+          <a class="btn btn-navbar">
+            <span class="i-bar"></span>
+            <span class="i-bar"></span>
+            <span class="i-bar"></span>
+          </a>
           <a class="brand" href="./index.html">Bootstrap</a>
           <ul class="nav">
             <li class="{{index}}">
diff --git a/docs/upgrading.html b/docs/upgrading.html
index d3afce08a7..f1f2a4303f 100644
--- a/docs/upgrading.html
+++ b/docs/upgrading.html
@@ -33,6 +33,11 @@
     <div class="navbar navbar-fixed-top">
       <div class="navbar-inner">
         <div class="container">
+          <a class="btn btn-navbar">
+            <span class="i-bar"></span>
+            <span class="i-bar"></span>
+            <span class="i-bar"></span>
+          </a>
           <a class="brand" href="./index.html">Bootstrap</a>
           <ul class="nav">
             <li class="">
diff --git a/less/bootstrap.less b/less/bootstrap.less
index 3dad408c96..ea84f48998 100644
--- a/less/bootstrap.less
+++ b/less/bootstrap.less
@@ -33,6 +33,11 @@
 @import "component-animations.less";
 @import "close.less";
 
+// Components: Buttons & Alerts
+@import "buttons.less";
+@import "button-groups.less";
+@import "alerts.less"; // Note: alerts share common CSS with buttons and thus have styles in buttons.less
+
 // Components: Nav
 @import "navs.less";
 @import "navbar.less";
@@ -45,11 +50,6 @@
 @import "tooltip.less";
 @import "popovers.less";
 
-// Components: Buttons & Alerts
-@import "buttons.less";
-@import "button-groups.less";
-@import "alerts.less"; // Note: alerts share common CSS with buttons and thus have styles in buttons.less
-
 // Components: Misc
 @import "thumbnails.less";
 @import "labels.less";
diff --git a/less/navbar.less b/less/navbar.less
index 63484fc3c0..a72c0d74eb 100644
--- a/less/navbar.less
+++ b/less/navbar.less
@@ -16,6 +16,29 @@
   .box-shadow(@shadow);
 }
 
+// Navbar button for toggling navbar items in responsive layouts
+.btn-navbar {
+  display: none;
+  float: right;
+  padding: 7px 10px;
+  margin-left: 10px;
+  margin-right: 10px;
+  .buttonBackground(@navbarBackgroundHighlight, @navbarBackground);
+  @shadow: inset 0 1px 0 rgba(255,255,255,.1), 0 1px 0 rgba(255,255,255,.075);
+  .box-shadow(@shadow);
+}
+.btn-navbar .i-bar {
+  display: block;
+  width: 18px;
+  height: 2px;
+  background-color: #f5f5f5;
+  .border-radius(1px);
+  .box-shadow(0 1px 0 rgba(0,0,0,.25));
+}
+.btn-navbar .i-bar + .i-bar {
+  margin-top: 3px;
+}
+
 // Brand, links, text, and buttons
 .navbar {
   // Hover and active states
diff --git a/less/responsive.less b/less/responsive.less
index ef2df5f1dc..cc3b2882f6 100644
--- a/less/responsive.less
+++ b/less/responsive.less
@@ -127,6 +127,11 @@
     margin: 0;
   }
 
+  // Navbar button
+  .btn-navbar {
+    display: block;
+  }
+
 }