Added logout

Change-Id: If09690e089976244ded58a27b1f35a3a850ae2d1
diff --git a/src/app/config/interfaces.ts b/src/app/config/interfaces.ts
index f1e27ad..ddf3126 100644
--- a/src/app/config/interfaces.ts
+++ b/src/app/config/interfaces.ts
@@ -1,8 +1,10 @@
 import {IXosNavigationRoute} from '../core/services/navigation';
 export interface IStyleConfig {
   projectName: string;
+  payoff: string;
   favicon: string;
   background: string;
+  logo: string;
   routes: IXosNavigationRoute[];
 }