Adding errors for non-200 api responses

src/utils/RegHubUtil.js

@@ -80,7 +80,11 @@ module.exports = {
             data.is_recommended = true;
             _.extend(data, repo);
             cb(null, data);
+          } else {
+            repositoryServerActions.error({error: new Error('Could not fetch repository information from Docker Hub.')});
+            return;
           }
+
         });
       }, (error, repos) => {
         repositoryServerActions.recommendedUpdated({repos});
@@ -135,6 +139,11 @@ module.exports = {
               return;
             }
 
+            if (response.statusCode !== 200) {
+              repositoryServerActions.error({error: new Error('Could not fetch repository information from Docker Hub.')});
+              return;
+            }
+
             let data = JSON.parse(body);
             cb(null, data.results);
           });