diydrones/ardupilot — pull request #962 by emilecastelnuovo (2014-04-09 15:45:03+00:00)
Title: Clear RC overrides on GCS failsafe and RC overrides check in Mavlink.

Whenever a GCS failsafe is triggered the RC overrides are not cleared.
This patch enable to regain control with RC radio in this case.
Also in mavlink it will not enable rc overrides whenever a GCS fail-safe is not enabled in parameters.