mwgc: pass correct UAV type (airplane, quadrotor, hexrotor, etc) over mavlink.

MultiWii def.h doesn't have a nice enum or #defines for it, so just magic numbers here :(

I left out the ones I wasn't sure about.

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
Merge pull request #8 from koenkooi/uavtype

mwgc: pass correct UAV type (airplane, quadrotor, hexrotor, etc) over ma...