Cranking up bus speeds for all sensors to achievable 10.4 MHz, will cut the bus lock time to half
Enabled MPU6K and updated startup script to start all sensors
Merge pull request #552 from PX4/spi_speedup

Cranking up bus speeds for all sensors to achievable 10.4 MHz
Added LOG_ MAVLink messages
Merge branch 'master' of github.com:PX4/Firmware
Re-introduced AQ MAVLink files since we have had them around before
Merge branch 'master' of github.com:PX4/Firmware into rc_chans
PX4IO upgrade improvement
Merge branch 'master' into rc_chans