Relicense assert.js

node_modules/c9/assert.js

@@ -2,7 +2,7 @@
  * Cloud9 assertion support.
  *
  * @copyright 2011, Ajax.org B.V.
- * @license GPLv3 <http://www.gnu.org/licenses/gpl.txt>
+ * @license Apache2 <http://www.apache.org/licenses/LICENSE-2.0>
  */
 define(function(require, exports, module) {