Profiles: removed MissionViewProfile section from stock ArduCopter vehicle profile, renamed MissionViewProfiles -> MissionViewProfile
Profiles: added vehicle profile DroidVariable …drone.profile (Profile), moved VehicleProfile.load() into Profile, also moved Mission*Profile classes into VehicleProfile
Profiles: load profile on: drone ctor, prior to applying view profile and on vehicle type change
Profiles: reload profile on Settings -> VehicleType change