use non-minified docs CSS on non-gh-pages

Gruntfile.js

@@ -199,7 +199,7 @@ module.exports = function (grunt) {
         src: 'dist/css/<%= pkg.name %>-theme.css'
       },
       docs: {
-        src: 'docs/assets/css/_src/docs.css'
+        src: 'docs/assets/css/src/docs.css'
       },
       examples: {
         expand: true,
@@ -225,7 +225,7 @@ module.exports = function (grunt) {
           ids: false,
           'overqualified-elements': false
         },
-        src: 'docs/assets/css/_src/docs.css'
+        src: 'docs/assets/css/src/docs.css'
       }
     },
 
@@ -243,8 +243,8 @@ module.exports = function (grunt) {
       },
       docs: {
         src: [
-          'docs/assets/css/_src/docs.css',
-          'docs/assets/css/_src/pygments-manni.css'
+          'docs/assets/css/src/docs.css',
+          'docs/assets/css/src/pygments-manni.css'
         ],
         dest: 'docs/assets/css/docs.min.css'
       }
@@ -278,7 +278,7 @@ module.exports = function (grunt) {
       },
       docs: {
         files: {
-          'docs/assets/css/_src/docs.css': 'docs/assets/css/_src/docs.css'
+          'docs/assets/css/src/docs.css': 'docs/assets/css/src/docs.css'
         }
       }
     },

docs/_includes/header.html

@@ -29,7 +29,12 @@
 {% endif %}
 
 <!-- Documentation extras -->
+{% if site.github %}
 <link href="../assets/css/docs.min.css" rel="stylesheet">
+{% else %}
+<link href="../assets/css/src/docs.css" rel="stylesheet">
+<link href="../assets/css/src/pygments-manni.css" rel="stylesheet">
+{% endif %}
 <!--[if lt IE 9]><script src="../assets/js/ie8-responsive-file-warning.js"></script><![endif]-->
 <!-- IE10 viewport hack for Surface/desktop Windows 8 bug -->
 <script src="../assets/js/ie10-viewport-bug-workaround.js"></script>