add license file and missing headers

src/test.ts

@@ -1,3 +1,20 @@
+/*!
+ * @license
+ * Copyright 2017 Alfresco Software, Ltd.
+ *
+ * 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.
+ */
+
 // This file is required by karma.conf.js and loads recursively all the .spec and framework files
 
 import 'zone.js/dist/long-stack-trace-zone';