fix(start): don't run start commands if cancelled

Author: tlancina

lib/ionic/start.js

@@ -66,10 +66,12 @@ IonicTask.prototype.run = function run(ionic, argv) {
   })
   */
   .then(function() {
-    return Start.promptLogin(options);
+    if (startingApp) {
+      return Start.promptLogin(options);
+    }
   })
   .then(function() {
-    if (options.v2) {
+    if (options.v2 && startingApp) {
       log.info('\nNew to Ionic? Get started here: http://ionicframework.com/docs/v2/getting-started\n');
     }
   })