prepare for release 2.2

Author: dabeng

dist/js/jquery.orgchart.js

@@ -124,7 +124,7 @@
       mo.observe(this.$chartContainer[0], { childList: true });
     },
     triggerLoadEvent: function ($target, rel) {
-      var initEvent = $.Event('insert-' + rel +'.orgchart');
+      var initEvent = $.Event('load-' + rel +'.orgchart');
       $target.trigger(initEvent);
     },
     triggerShowEvent: function ($target, rel) {

dist/js/jquery.orgchart.min.js

@@ -1,6 +1,6 @@
 {
   "name": "orgchart",
-  "version": "2.1.10",
+  "version": "2.2.0",
   "description": "Simple and direct organization chart(tree-like hierarchy) plugin based on pure DOM and jQuery.",
   "main": "./dist/js/jquery.orgchart.min.js",
   "style": [