Adding default callback

lib/modules/ipfs/embarkjs/name.js

@@ -1,6 +1,5 @@
 /*global __embarkIPFS*/
 
-
 const NoConnectionError = 'No IPFS connection. Please ensure to call Embark.Names.setProvider()';
 const NotAvailableError = 'Not available with ipns';
 
@@ -21,6 +20,7 @@ __embarkIPFS.resolve = function (name, callback) {
 };
 
 __embarkIPFS.register = function(addr, callback) {
+  callback = callback || function () {};
   if (!this._ipfsConnection) {
     return new Error(NoConnectionError);
   }

templates/demo/app/dapp.js

@@ -21,7 +21,7 @@ class App extends React.Component {
       activeKey: 1,
       whisperEnabled: false,
       storageEnabled: false,
-      ensEnabled: false,
+      ensEnabled: false
     };
   }