Add libudev-dev to linux build requirements

QGC depends on libudev-dev to build, include this in the list of packages to install.
flightgear HIL: also use default Scenery directory besides terrasync

Conflicts:
	src/comm/QGCFlightGearLink.cc
add missing semicolon for windows build
Merge pull request #494 from blutack/master

Add libudev-dev to linux build requirements
Merge pull request #509 from DonLakeFlyer/Warnings

Warnings fixes
Merge pull request #496 from thomasgubler/flightgear_scenery

flightgear HIL: also use default Scenery directory besides terrasync
Updating QUpgrade version
Fix video widget display
Bump version number, now that we have changed a few relevant things
Added script for homebrew deployment setup
Disable the active WP setting in the edit list, as its super error prone - only allow it in the view list and switch between views based on activity on the system / UI
Hotfix for confusing / dangling video stream flags
Add image debug output
Bugfix imageready slot
Removed include guard preventing message parsing
Fix more dialect stupidity
More dialect removal
Removed windows startup delay on voice output
Merge branch 'master' of github.com:mavlink/qgroundcontrol
Fix request image compile error