Added license header to script

export_assets_to_android_ios.jsx

@@ -1,5 +1,19 @@
 /**
 * Author: austynmahoney (https://github.com/austynmahoney)
+* 
+* Copyright 2016 Austyn Mahoney
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* 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.
 */
 var selectedExportOptions = {};