Merge branch 'master' into icon_paths

Conflicts:
	dist/css/bootstrap.css.map
	docs/dist/css/bootstrap.css.map

Gruntfile.js

@@ -238,7 +238,7 @@ module.exports = function (grunt) {
       options: {
         compatibility: 'ie8',
         keepSpecialComments: '*',
-        noAdvanced: true // turn advanced optimizations off until the issue is fixed in clean-css
+        noAdvanced: true
       },
       docs: {
         src: [

dist/css/bootstrap.css

@@ -3365,6 +3365,9 @@ tbody.collapse.in {
 .btn-group-justified > .btn-group .btn {
   width: 100%;
 }
+.btn-group-justified > .btn-group .dropdown-menu {
+  left: auto;
+}
 [data-toggle="buttons"] > .btn > input[type="radio"],
 [data-toggle="buttons"] > .btn > input[type="checkbox"] {
   position: absolute;

less/button-groups.less

@@ -216,6 +216,10 @@
   > .btn-group .btn {
     width: 100%;
   }
+
+  > .btn-group .dropdown-menu {
+    left: auto;
+  }
 }