Add force failsafe flag
PX4IO driver: Add support to set force failsafe
pwm system command: Allow to force failsave (forcefail command)
Revert "Remove last reference to mtecs enabled param"

This reverts commit 81f60329e47f8b31d9261c0ef46c09780f9d8194.
Revert "Remove MT_ENABLED param and handles"

This reverts commit 90a5ae1afd25e5e31d269f0d0f5e5052f068d0b1.
Fix unused params
Merge remote-tracking branch 'upstream/master' into forcefail
px4io driver: force failsafe depending on actuator armed
checkout latest mavlink master
really checkout latest mavlink master
pwm: add missing exit
parse flighttermination command
Support force fail in valid filter
Print force fail status
pwm command: Add missing exit 0 status
Merge branch 'forcefail' of github.com:PX4/Firmware into forcefail
add missing hint to pwm usage
report error in pwm command if any
Merge pull request #1205 from PX4/forcefail

Force failsafe
position_estimator_inav: parameters descriptions added