Making [un]registerGesturesInMapView: optional
Adding framework for MRBuiltinGPSDotProvider
Adding CoreLocation dependency
Adding CLLocation to MRMapView
Adding a basic, functional GPS dot
Start location tracking
Attempting to properly manage the CLLocationManager
Replacing the previous attempt at managing the CLLocationManager with a new class-method/notification approach
Merge branch 'Adding_gps_dot_provider'

Adding a basic GPS dot artifact manager