Merge pull request #470 from badlogic/master

Added support for compiler plugin argument parsing
Added Notification helper methods for the Accounts framework (#456).
Moved CoreGraphics global values to their respective classes.
(e.g. CGAffineTransformIdentity can now be found as CGAffineTransform.Identity() )
Wrapped CoreLocation global values (#474)
Added Notification helper methods for the MessageUI framework (#456).
Added Notification helper methods for the GameController framework (#456).
Added Notification helper methods for the EventKit framework (#456).
Merge branch 'master' of https://github.com/robovm/robovm
Fix type arguments of SLRequest.performRequest block parameter (#475)
Add Notification helper methods for the CoreTelephony framework (#456).
Add Notification helper methods for the NewsstandKit framework (#456).
Notifications are deprecated in MapKit (#456).
Add Notification helper methods for the GameKit framework (#456).
Wrap global values in OpenGLES (#477).
Fix Bits.contains(T) method. Added overloaded Bits.with(T) method to create a new Bits subclass with the specified flags.
Added NSPropertyList interface (#479).
Various binding fixes.
Added marshalers for some custom MediaPlayer types.
Some UIKit method name changes (#478).
Changed UIColor method names (#478).