update license in js header

select2.js

@@ -1,17 +1,23 @@
 /*
- Copyright 2012 Igor Vaynberg
+Copyright 2012 Igor Vaynberg
 
- Version: @@ver@@ Timestamp: @@timestamp@@
+Version: @@ver@@ Timestamp: @@timestamp@@
 
- Licensed under the Apache License, Version 2.0 (the "License"); you may not use this work except in
- compliance with the License. You may obtain a copy of the License in the LICENSE file, or at:
+This software is licensed under the Apache License, Version 2.0 (the "Apache License") or the GNU
+General Public License version 2 (the "GPL License"). You may choose either license to govern your
+use of this software only upon the condition that you accept all of the terms of either the Apache
+License or the GPL License.
 
- http://www.apache.org/licenses/LICENSE-2.0
+You may obtain a copy of the Apache License and the GPL License at:
 
- Unless required by applicable law or agreed to in writing, software distributed under the License is
- distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and limitations under the License.
- */
+    http://www.apache.org/licenses/LICENSE-2.0
+    http://www.gnu.org/licenses/gpl-2.0.html
+
+Unless required by applicable law or agreed to in writing, software distributed under the
+Apache License or the GPL Licesnse is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+CONDITIONS OF ANY KIND, either express or implied. See the Apache License and the GPL License for
+the specific language governing permissions and limitations under the Apache License and the GPL License.
+*/
  (function ($) {
  	if(typeof $.fn.each2 == "undefined"){
  		$.fn.extend({