sensors: publish manual controls on actuator_controls_1 topic instead of actuator_controls_3
px4io: print all control groups in "px4io status"
Reverse: sensors: publish manual controls on actuator_controls_1 topic instead of actuator_controls_3
px4iofirmware: define 4 actuator control groups
px4io: hardcode number of control groups in "px4io status"
px4io: print actuator control registers as int16 instead of uint16
Merge branch 'master' into act_group_hotfix
Merge pull request #703 from PX4/act_group_hotfix

Actuator group hotfix