fixed build errors with clang in MacOsX 10.9(DP5) and xCode 5.0(DP5)
OP-1143: add missing ids to udev rules

+review OPReview
Merge branch 'amorale/OP-1143_add_revo_udev_rules' into next
Fix for issue OP-1108: Mutex not correctly released in GCS
Merge remote-tracking branch 'origin/voha/fix_build_error_with_clang' into next

Conflicts:
	ground/openpilotgcs/src/plugins/ophid/ophid.pro
Uncrustification
Merge remote-tracking branch 'origin/next' into corvuscorax/OP-1022_AH_improvements_amorale
bugfix for xplane hitl, convert gyroscope sensor from rad/s to deg/s
added AltitudeHold to simposix
forgot uncrustification
simplified altitude hold control loop