[SI-735] + [SI-871] Several changes to show the application version (FE / BE / DB); Implement unittests
- Changed as code review comments

Signed-off-by: dtheinert <dietmar.theinert@pta.de>
diff --git a/projects/grid-failure-information-app/src/app/shared/components/version-info/version-info-api-client.ts b/projects/grid-failure-information-app/src/app/shared/components/version-info/version-info-api-client.ts
index a81bc8d..60e6157 100644
--- a/projects/grid-failure-information-app/src/app/shared/components/version-info/version-info-api-client.ts
+++ b/projects/grid-failure-information-app/src/app/shared/components/version-info/version-info-api-client.ts
@@ -18,11 +18,6 @@
 
 /**
  * Api methods to communicate with settings and version APIs
- *
- * @author Dietmar Theinert <dietmar.theinert@pta.de>
- * @export
- * @class AppVersionClientApi
- * @extends {HttpService}
  */
 @Injectable()
 @DefaultHeaders({
@@ -35,11 +30,7 @@
   /**
    * Http-GET to get the version information of the backend service the database.
    * The Version adapter adds the frontend version information from the globals-settings file.
-   *
-   * @author Dietmar Theinert <dietmar.theinert@pta.de>
-   * @returns {Observable<AppVersion>}
-   * @memberof VersionInfoApiClient
-   */
+   *   */
   @GET('/version')
   @Adapter(GridFailureService.versionAdapter)
   public getAppVersion() : Observable<AppVersion> {
diff --git a/projects/grid-failure-information-app/src/app/shared/components/version-info/version-info.component.ts b/projects/grid-failure-information-app/src/app/shared/components/version-info/version-info.component.ts
index a11e195..d9db281 100644
--- a/projects/grid-failure-information-app/src/app/shared/components/version-info/version-info.component.ts
+++ b/projects/grid-failure-information-app/src/app/shared/components/version-info/version-info.component.ts
@@ -24,12 +24,8 @@
 
   /**
    * The Version Info from sandbox
-   *
-   * @author Dietmar Theinert <dietmar.theinert@pta.de>
-   * @memberof VersionInfo
    */
   ngOnInit() {
-    //this.sandbox.currVersion$.subscribe(version =>console.log(version)); // DEBUG
     this.sandbox.setupAppVersion();
   }
 }
diff --git a/projects/grid-failure-information-app/src/app/shared/components/version-info/version-info.sandbox.spec.ts b/projects/grid-failure-information-app/src/app/shared/components/version-info/version-info.sandbox.spec.ts
index a75da7b..4338320 100644
--- a/projects/grid-failure-information-app/src/app/shared/components/version-info/version-info.sandbox.spec.ts
+++ b/projects/grid-failure-information-app/src/app/shared/components/version-info/version-info.sandbox.spec.ts
@@ -28,15 +28,13 @@
     appState = {
       dispatch: () => {},
       pipe: () => of(true),
-      select: () => of(true)
+      select: () => of(true),
     } as any;
     actionSubject = {
       pipe: () => of(true),
-      map: () => ({})
+      map: () => ({}),
     } as any;
-    dispatchSpy = spyOn(appState, 'dispatch').and.callFake(() => {
-      console.log('dispatch faked!');
-    });
+    dispatchSpy = spyOn(appState, 'dispatch').and.callFake(() => {});
 
     sandbox = new VersionInfoSandbox(appState, actionSubject);
   });
diff --git a/projects/grid-failure-information-app/src/app/shared/store/effects/settings.effects.ts b/projects/grid-failure-information-app/src/app/shared/store/effects/settings.effects.ts
index fe80a83..ec2ea19 100644
--- a/projects/grid-failure-information-app/src/app/shared/store/effects/settings.effects.ts
+++ b/projects/grid-failure-information-app/src/app/shared/store/effects/settings.effects.ts
@@ -19,18 +19,12 @@
 
 /**
  * NgRx-Effects for handling the async dependencies.
- *
- * @author Dietmar Theinert <dietmar.theinert@pta.de>
- * @export
- * @class SettingsEffects
  */
 @Injectable()
 export class SettingsEffects {
 
   /**
    * Gets the application version information.
-   *
-   * @memberof SettingsEffects
    */
   getAppVersion$ = createEffect(() => {
     return this.actions$.pipe(