DodoApp: Implement commit status page

Render used volume, postgresql and ingress resource details.

Change-Id: I87f34fd19d0d0d31ec495d2798c9f5ce99c0fd43
diff --git a/core/installer/welcome/env.go b/core/installer/welcome/env.go
index 356e47c..82fb3d5 100644
--- a/core/installer/welcome/env.go
+++ b/core/installer/welcome/env.go
@@ -280,7 +280,8 @@
 			return err
 		}
 	}
-	return s.repo.CommitAndPush("Generated new invitation")
+	_, err = s.repo.CommitAndPush("Generated new invitation")
+	return err
 }
 
 func extractRequest(r *http.Request) (createEnvReq, error) {
@@ -380,7 +381,7 @@
 		http.Error(w, err.Error(), http.StatusInternalServerError)
 		return
 	}
-	if err := s.repo.CommitAndPush(fmt.Sprintf("Allocate CIDR for %s", req.Name)); err != nil {
+	if _, err := s.repo.CommitAndPush(fmt.Sprintf("Allocate CIDR for %s", req.Name)); err != nil {
 		http.Error(w, err.Error(), http.StatusInternalServerError)
 		return
 	}