Fix moya-ng lint stuff

code/moya-angular/src/app/modules/login/login.component.ts

@@ -12,8 +12,8 @@ import {SessionServiceService} from '../../shared/services/session-service.servi
 })
 export class LoginComponent implements OnInit {
 
-  username: string = "";
-  password: string = "";
+  username: string = '';
+  password: string = '';
 
   loginError = false;
   loginOk = false;

code/moya-angular/src/app/modules/login/login.module.ts

@@ -5,7 +5,7 @@ import {LoginComponent} from './login.component';
 import {MatButtonModule, MatFormFieldModule, MatInputModule} from '@angular/material';
 import {TranslateModule} from '@ngx-translate/core';
 import {BrowserAnimationsModule} from '@angular/platform-browser/animations';
-import {FormsModule} from "@angular/forms";
+import {FormsModule} from '@angular/forms';
 
 @NgModule({
   imports: [

code/moya-angular/src/app/shared/services/session-service.service.ts

@@ -71,8 +71,8 @@ export class SessionServiceService {
   public doLogin(username: string, password: string): Observable<Object> {
 
     let params = new HttpParams();
-    params = params.set("username", username);
-    params = params.set("password", password);
+    params = params.set('username', username);
+    params = params.set('password', password);
 
     const apolloObservable = this.http.post(MOYA_REST_URL + '/user/auth',  params, {