some polishing

src/xmpp-pane-main.js

@@ -153,7 +153,7 @@ xmppClientListener = function (message, sender, sendResponse) {
                 },
                 (error) => {
                     sendResponse({
-                        'step': 'discovered',
+                        'step': 'failed',
                         'error': error
                     });
                 });

src/xmpp/network.js

@@ -70,7 +70,7 @@ class Network {
                 let service = this.pubsub.get(_netElement.jid);
             }
 
-            if (service){
+            if (service) {
                 for (let feature of _netElement.featureSet) {
                     // TODO: decide which features to track and how to use them
                     service.get("metaData").get("features").add(feature);