[ADF-4878] Refactor, Split ADF About component (#5064)

* Refactor, Split ADF About component

* [ADF-4878] Add documentation

* [ADF-4878] Rename Component

* [ADF-4878] Implement comments

* [ADF-4878] Update documentation for about components

lib/core/about/about-github-link/about-github-link.component.ts

@@ -0,0 +1,46 @@
+/*!
+ * @license
+ * Copyright 2019 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, Input, OnInit, ViewEncapsulation } from '@angular/core';
+import { AppConfigService, AppConfigValues } from '../../app-config/app-config.service';
+
+@Component({
+    selector: 'adf-about-github-link',
+    templateUrl: './about-github-link.component.html',
+    encapsulation: ViewEncapsulation.None
+})
+export class AboutGithubLinkComponent implements OnInit {
+
+    /** Commit corresponding to the version of ADF to be used. */
+    @Input()
+    url = 'https://github.com/Alfresco/alfresco-ng2-components/commits/';
+
+    /** Current version of the app running */
+    @Input() version: string;
+
+    ecmHost = '';
+    bpmHost = '';
+    application: string;
+
+    constructor(private appConfig: AppConfigService) {}
+
+    ngOnInit() {
+        this.ecmHost = this.appConfig.get<string>(AppConfigValues.ECMHOST);
+        this.bpmHost = this.appConfig.get<string>(AppConfigValues.BPMHOST);
+        this.application = this.appConfig.get<string>('application.name');
+    }
+}