PX4/Firmware — pull request #907 by LorenzMeier (2014-05-07 06:55:38+00:00)
Title: commander: Fix the position failsafe to a) use proper logic to determine...

... if eph / epv are good or not (the previous logic was in some states not initialized) and b) add a hysteresis time - because the check as it was before had zero hysteresis time for a bad eph / epv value