Removing usage of synthesize
Adopting underscore prefix for ivars
Switching waypoints ivar to property

 - removing non-idiomatic getX in WaypointsVC
Adopting underscore prefix for ivars
Remove defunct video PoC from GCSMapVC
GCSMapVC data rate handling moved to extension
Merge pull request #108 from fightingwalrus/idiomacy-pass

idiomacy pass - continued