Added support for setting baseURL

Author: Jakobovski

src/tinymce.js

@@ -109,6 +109,7 @@ angular.module('ui.tinymce', [])
         // element to be present in DOM before instantiating editor when
         // re-rendering directive
         $timeout(function() {
+          tinymce.baseURL = options.baseURL;
           tinymce.init(options);
           toggleDisable(scope.$eval(attrs.ngDisabled));
         });