Pull request #1394: 可以两个fineui一起运行

Merge in VISUAL/fineui from ~GUY/fineui:master to master

* commit 'd3333289f7e6d35d5b2eb050eb797d33ce752a25':
  可以两个fineui一起运行

src/core/ob.js

@@ -28,10 +28,10 @@
      * @class BI.OB
      * @abstract
      */
-    BI.OB = BI.OB || function (config) {
+    var OB = function (config) {
         this._constructor(config);
     };
-    _.defaults(BI.OB.prototype, {
+    _.extend(OB.prototype, {
         props: {},
         init: null,
         destroyed: null,
@@ -184,4 +184,5 @@
             this.purgeListeners();
         }
     });
+    BI.OB = BI.OB || OB;
 })();