Correctly initialize mission count
Added hardware flow control to mavlink app. Auto-disables if nothing can be written to the port
Fix FIONWRITE usage
Increased param rate, fixed wrong usage of MAVLink chan.
Fixed more wrong usages of encoding channel
Merge branch 'beta_mavlink2' into beta_mavlink2_flow_control
Fixed HW flow control enable / disable scheme, console output cleanup on start
Merge branch 'beta_mavlink2' of github.com:PX4/Firmware into paul_estimator_mavlink2
Merged
Merge branch 'beta_mavlink2_flow_control' of github.com:PX4/Firmware into paul_estimator_mavlink2