Move the MapKit and CoreLocation related extensions into the MITAdditions category files
Sanity check! Don't try to add a route path if there isn't one; bad things happen.
Missed a header update
Hide the configurable properties for now. They will be restored once a sane wrapper for making polyline objects is ready.
Make the insertAnnotation method public
Clean up the sync method a bit more. Make sure that all data swaps are atomic (no live mutation!) and check to see if the operation has been canceled.