UAVCAN: allow to arm single ESCs
motor_test: cleanup
UAVCAN: implemented motor testing
code style, warnings
commander: reordering navigation states to match enum
commander: added navstate RCRECOVER which was missing
commander: whitespace
Merge pull request #1427 from hsteinhaus/drive_testing

motor_test: cleanup
Update motor test tool
build fix
Merge pull request #1452 from hsteinhaus/drive_testing

build fix
Merge pull request #1450 from PX4/fix_navstates

Fix navstates
Merge pull request #2 from PX4/master

sync with upstream