Track feature usage after user logs in
Fix starting ios simulator

Properly handle optional function parameter

fixes http://teampulse.telerik.com/view#item/274056
Merge pull request #48 from telerik/fatme/track-feature-usage-after-user-logs-in

Track feature usage after user logs in
Merge pull request #49 from telerik/totev/fix-ios-emulator

Fix starting ios simulator
Fix android livesync