Ashtech GPS driver
Merge branch 'master' into ashtech
Increased ashtech POS frequency and increased baudrate
Fixed km/h -> knots in POS
Merge branch 'ashtech' into ashtech_hi_freq
PASHS,POP,20 is needed for 20Hz configuration
Merge branch 'master' into ashtech_hi_freq
Added VTOL types
lsm303d: don't use DRDY when not on internal SPI bus

external SPI bus does not have accel DRDY connected

Conflicts:
	mavlink/include/mavlink/v1.0
device: initialise device id

Conflicts:
	mavlink/include/mavlink/v1.0
Fix comment
UAVCAN update
Corrected gps_fix values description
Code style fix
att pos estimator: Initialize distance
att pos estimator: Use float constant where it should be float.
Initialize inhibition variable.
Disambiguate local variable names.
mavlink: Handle new auto sub states.
navigator: Remove excessive C++ check flags, which enable debatable warnings.