More refactoring + reusing the server's store on the client

src/app/shared/shared.module.ts

@@ -7,7 +7,6 @@ import { NgbModule } from '@ng-bootstrap/ng-bootstrap';
 import { TranslateModule } from 'ng2-translate/ng2-translate';
 
 import { ApiService } from './api.service';
-import { ModelService } from './model/model.service';
 
 const MODULES = [
   // Do NOT include UniversalModule, HttpModule, or JsonpModule here
@@ -28,7 +27,6 @@ const COMPONENTS = [
 ];
 
 const PROVIDERS = [
-  ModelService,
   ApiService
 ];