Comment out noisy warning

Map gimbal controls
Keep track of gimbal position within Vehicle

Keep track of recording time if camera doesn't provide it.
Make sure camera info is received (if camera ACKs the request)
Keep track of camera's heartbeat. Remove camera if not heard from after a while.
Update MAVLink

Added (UI) support for vehicles exposing more than one camera.

Handle initial storage
Handle image/video capture and storage.