message: update in backend for org rest api
  adjustments done due to backend code change
diff: @@ -3,7 +3,7 @@ import { Http, Response } from '@angular/http';
  import { Observable } from 'rxjs';
  import { environment } from '../../../environments/environment';
  -const organizationUrl = `${environment.backend_url}/api/organization`;
  +const organizationUrl = `${environment.backend_url}/api/organizations`;
  @Injectable()
  export class OrganizationService {
  