[ADF-1876] added custom empty result tag for search result control (#2940)

* [ADF-1876] added custom empty template for no search result

* [ADF-1876] added custom empty result tag for search result control

* [ADF-1876] added custom no search result tag for search control component

* [ADF-1876] added documentation for template no result

lib/content-services/search/components/empty-search-result.component.ts

@@ -0,0 +1,25 @@
+/*!
+ * @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.
+ */
+
+import { Component, ViewEncapsulation } from '@angular/core';
+
+@Component({
+    selector: 'adf-empty-search-result',
+    templateUrl: './empty-search-result.component.html',
+    encapsulation: ViewEncapsulation.None
+})
+export class EmptySearchResultComponent {}