New VehicleLinkManager implementation

Move UAVCAN config to Vehicle

Move calibration methods to Vehicle

Component Information FTP download support

LinkInterface and Vehicle uses mutexes to synchronize writing bytes to the link instead of queued signals

Set RC To Param support

Remove unused HIL code

Remove unused code

qobject_cast is times faster dynamic_cast for objects that
inherit QObject. also, use auto keyword to not duplicate
class names.

Map gimbal controls
Keep track of gimbal position within Vehicle

Add gimbal to external control signal

Remove unnecessary AudioOutput dependencies.

Signed-off-by: Patrick José Pereira <patrickelectric@gmail.com>

Move ArduPilot preflight check handling to generic QGC

http://www.wolframalpha.com/input/?i=!s+%7C%7C+(s+%26%26+a)Signed-off-by: Patrick José Pereira <patrickelectric@gmail.com>

Also hand carried text to speech changes from Stable to master. Plus
unit tests for that.

Some crazy shit in UAS.cc was using an array of 256 bytes to handle received messages and mapping them to components. Well, any message ID over 255 would cause a buffer overrun.

* Some code moved to Vehicle