[ADF-3723] Tree view component (#3939)

* [ADF-3723] added first step to adf tree view component

* [ADF-3723] start adding tests for the new component

* [ADF-3723] fixed style and start adding tests

* [ADF-3723] working on unit test

* [ADF-3723] added test for the new tree view component

* [ADF-3723] added event when clicked on a tree node

* [ADF-3723] refactored code

* [ADF-3723 added peer review changes

* [ADF-3723] fixed extra space

* [ADF-3723] fixed unit test

* [ADF-3723] fixed failing unit test

lib/content-services/tree-view/index.ts

@@ -0,0 +1,18 @@
+/*!
+ * @license
+ * Copyright 2016 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.
+ */
+
+export * from './public-api';