px4io driver: publish input_rc even if RC connection has been lost
px4io: do not include failsafe condition into rc_lost flag
Move Pauls EKF into a class and instantiate only when / if needed. Checking for low memory conditions as we should.
Removed a bunch of commented out things that we will not need any more.
Reduced the number of states to 10 to avoid killing the logging system
Bump RC timeout for all cases to half a second
Merge pull request #796 from PX4/rc_timeout_fix

Bump RC timeout for all cases to half a second
Create EKF object in right context
Merge pull request #794 from PX4/estimator_ram_fix

Move Pauls EKF into a class and instantiate only when / if needed.
Merge pull request #795 from PX4/estm_log_fix

Reduced the number of states to 10 to avoid killing the logging system
Proper failsafe handling onboard, including throttle failsafe condition if enabled
Only publish RC inputs if we have seen some valid inputs at some point
Simplify the failsafe handling, reduce 3 params to one
Trigger failsafe action also on failsafe flag
px4io: Allow RC failsafe detection as valid feature
Make throttle failsafe depend on the failsafe threshold parameter. Make the parameter optional (no harm if not found).
px4io driver: publish input_rc even if RC connection has been lost
px4io: do not include failsafe condition into rc_lost flag
px4io: Remove unused variable
px4io: Guard against the RC failsafe value of channel 5 causing a manual override action if set to manual in failsafe