Added 2 kPA offset to pressure measurements to get HIL closer to real conditions
Fixed wrong location of offset constant
flightgear: add configurable barometer offset
Merge remote-tracking branch 'upstream/pressure_offset' into archlinux_dev2

Conflicts:
	libs/thirdParty/libxbee
flightgear: add configurable barometer offset
Merge branch 'pressure_offset' into archlinux_dev2

Conflicts:
	libs/thirdParty/libxbee