Frontend config support for AU. New absolute server url settings.

refs #104

frontend/src/app/components/about/about.component.ts

@@ -5,7 +5,6 @@ import { StateService } from 'src/app/services/state.service';
 import { Observable } from 'rxjs';
 import { FormBuilder, FormGroup, Validators } from '@angular/forms';
 import { ApiService } from 'src/app/services/api.service';
-import { env } from '../../app.constants';
 import { DomSanitizer, SafeUrl } from '@angular/platform-browser';
 import { map } from 'rxjs/operators';
 
@@ -21,7 +20,7 @@ export class AboutComponent implements OnInit {
   donationStatus = 1;
   sponsors$: Observable<any>;
   donationObj: any;
-  sponsorsEnabled = env.SPONSORS_ENABLED;
+  sponsorsEnabled = this.stateService.env.SPONSORS_ENABLED;
   sponsors = null;
 
   constructor(