Revert "WIP: Comment out CLVisit code to enable building in XCode 5"

This reverts commit 14005a96db32434dc609917660c53fee3bf385c9.
Fix CoreData model issue
Update target to 8.0-only
Update test
Send local notifs on visit as a debugging mechanism
Start location monitoring when awoken
Add necessary import
Add absurd amounts of logging for test purposes
Update Stop data model
Clean up some background location logging logic
A little bit of cleanup

Removes some unused code, adds some pragma marks.