Transition to ti.maps module for 3.2.0

[stephenfeather]

This will affect #145 and #140.

On ios, the change over should be painless. But android, as has been the case with maps in the past, not so much. The additional requirements for obtaining a key from Google is a bit overwhelming for a seasoned developer, let alone the support staff of the intended audience.

ref:

http://docs.appcelerator.com/titanium/latest/#!/api/Modules.Map
https://developers.google.com/maps/documentation/android/start#the_google_maps_api_key