Add pins to map on long press gesture and add annotation view for adding reminders
Add custom bar item for map
Implement AddReminderVC with transition from MapVC when tapping annotation accessory item
Add overlay on map when creating a reminder; track enters and exits from geofence
Add CoreData model for Reminder
Add iCloud
Set up RemindersListVC and ReminderCell
Add boiler plate from Apple for updating tableView on fetchedResultsController events; update tableView constraints; remove custom message when asking user to allow location services
Add cancel button to AddReminderVC