Demo shell improvements (#1199)

* #1197 auth guards

* #1197 restore lost router dependency to all libs

* #1197 ecm/bpm auth guards, home page

- ECM auth guard (redirect to Login if ECM auth is missing)
- BPM auth guard (redirect to Login if BPM auth is missing)
- new Home page and route, show details on demo areas

* css improvements

make app text white as per request

ng2-components/ng2-alfresco-core/index.ts

@@ -29,7 +29,10 @@ import {
     AlfrescoTranslationService,
     AlfrescoAuthenticationService,
     AlfrescoContentService,
-    RenditionsService
+    RenditionsService,
+    AuthGuard,
+    AuthGuardEcm,
+    AuthGuardBpm
 } from './src/services/index';
 
 import { MATERIAL_DESIGN_DIRECTIVES } from './src/components/material/index';
@@ -48,6 +51,9 @@ export const ALFRESCO_CORE_PROVIDERS: any[] = [
     AlfrescoTranslationLoader,
     AlfrescoTranslationService,
     RenditionsService,
+    AuthGuard,
+    AuthGuardEcm,
+    AuthGuardBpm,
     ...CONTEXT_MENU_PROVIDERS
 ];