Changes to example
Added new person/device custom data
ENSURE_UI_THREAD_0_ARGS is required to show the Apptentive UI
But the docs say: "You can only use this method if you have no return result."
Thus we can't return result of `showRatingFlowFromViewControllerIfConditionsAreMet:` until we find an alternative.
http://developer.appcelerator.com/question/161830/alternative-to-ensureuithread0args-when-proxy-method-returns-a-value