DodoApp: Implement internal auth

Follow up change will make internal auth optional, and let user
configure dodo-app to use environment wise auth service.

Change-Id: Ie308b30becd4390f3d9a07caf6f894b8bd4ebf3a
diff --git a/core/installer/cmd/dodo_app.go b/core/installer/cmd/dodo_app.go
index 4b34f01..a6521d8 100644
--- a/core/installer/cmd/dodo_app.go
+++ b/core/installer/cmd/dodo_app.go
@@ -160,7 +160,7 @@
 		return err
 	}
 	if dodoAppFlags.appAdminKey != "" {
-		if err := s.CreateApp("app", dodoAppFlags.appAdminKey); err != nil {
+		if _, err := s.CreateApp("app", dodoAppFlags.appAdminKey); err != nil {
 			return err
 		}
 	}