run grunt

dist/css/bootstrap.css

@@ -2583,7 +2583,7 @@ input[type="button"].btn-block {
 @font-face {
   font-family: 'Glyphicons Halflings';
   src: url('../fonts/glyphicons-halflings-regular.eot');
-  src: url('../fonts/glyphicons-halflings-regular.eot?#iefix') format('embedded-opentype'), url('../fonts/glyphicons-halflings-regular.woff') format('woff'), url('../fonts/glyphicons-halflings-regular.ttf') format('truetype'), url('../fonts/glyphicons-halflings-regular.svg#glyphicons-halflingsregular') format('svg');
+  src: url('../fonts/glyphicons-halflings-regular.eot?#iefix') format('embedded-opentype'), url('../fonts/glyphicons-halflings-regular.woff') format('woff'), url('../fonts/glyphicons-halflings-regular.ttf') format('truetype'), url('../fonts/glyphicons-halflings-regular.svg#glyphicons_halflingsregular') format('svg');
 }
 
 .glyphicon {

dist/js/bootstrap.js

@@ -1769,7 +1769,7 @@ if (typeof jQuery === "undefined") { throw new Error("Bootstrap requires jQuery"
   Tab.prototype.show = function () {
     var $this    = this.element
     var $ul      = $this.closest('ul:not(.dropdown-menu)')
-    var selector = $this.attr('data-target')
+    var selector = $this.data('target')
 
     if (!selector) {
       selector = $this.attr('href')