add noConflict functionality to all bootstrap plugins

docs/assets/js/bootstrap-button.js

@@ -64,6 +64,8 @@
  /* BUTTON PLUGIN DEFINITION
   * ======================== */
 
+  var old = $.fn.button
+
   $.fn.button = function (option) {
     return this.each(function () {
       var $this = $(this)
@@ -82,6 +84,15 @@
   $.fn.button.Constructor = Button
 
 
+ /* BUTTON NO CONFLICT
+  * ================== */
+
+  $.fn.button.noConflict = function () {
+    $.fn.button = old
+    return this
+  }
+
+
  /* BUTTON DATA-API
   * =============== */