Fix issue with double move event firing in typeahead.

Fix test to catch issue.
Fix #5806.

js/bootstrap-typeahead.js

@@ -217,7 +217,7 @@
     }
 
   , keydown: function (e) {
-      this.suppressKeyPressRepeat = !~$.inArray(e.keyCode, [40,38,9,13,27])
+      this.suppressKeyPressRepeat = ~$.inArray(e.keyCode, [40,38,9,13,27])
       this.move(e)
     }
 

js/tests/unit/bootstrap-typeahead.js

@@ -137,10 +137,19 @@ $(function () {
         equals(typeahead.$menu.find('.active').length, 1, 'one item is active')
         ok(typeahead.$menu.find('li').first().hasClass('active'), "first item is active")
 
+        // simulate entire key pressing event
         $input.trigger({
           type: 'keydown'
         , keyCode: 40
         })
+        .trigger({
+          type: 'keypress'
+        , keyCode: 40
+        })
+        .trigger({
+          type: 'keyup'
+        , keyCode: 40
+        })
 
         ok(typeahead.$menu.find('li').first().next().hasClass('active'), "second item is active")
 
@@ -149,6 +158,14 @@ $(function () {
           type: 'keydown'
         , keyCode: 38
         })
+        .trigger({
+          type: 'keypress'
+        , keyCode: 38
+        })
+        .trigger({
+          type: 'keyup'
+        , keyCode: 38
+        })
 
         ok(typeahead.$menu.find('li').first().hasClass('active'), "first item is active")