ACRO mode implemented
Merge branch 'beta' into acro2
commander: allow disarming in ACRO without landing (as in MANUAL)
Merge branch 'beta' into acro2
Merge branch 'beta' into acro2
Merge branch 'beta' into acro2
mc_att_control: reset yaw setpoint after ACRO
Merge branch 'beta' into acro2
rc_channels topic: bug fixed; sensors: minor cleanup
mavlink: custom mode ACRO added
Merge remote-tracking branch 'px4/beta' into acro2
Merge branch 'master' into acro2
commander: don't require good EPH for local_position_valid, position_estimator_inav: estimate EPH/EPV and publish it in local position topic
Merge branch 'master' into acro2
Add mixer config for hexa coax frame
mc_att_control: reset yaw setpoint after ACRO
commander: allow disarm in ACRO mode
Merge pull request #970 from PX4/flow_no_gps

Allow POSCTL with only PX4FLOW (without GPS)
Merge pull request #979 from PX4/acro2

ACRO mode
Merge pull request #981 from jhiesey/master

Add mixer config for hexa coax frame