Fixed Q_OS_UNIX definition. Required for Linux build
Merge pull request #45 from stephendade/upstream

Fixed Q_OS_UNIX definition. Required for Linux build
Moved trad-heli from X frames to Plus frames image for frame selection config
Changes for battery monitor config
Changes for BatteryMonitorConfig to work properly
Addition of APMPlanner2 icon
Changes for installer generator to use the proper icon
Fix for installer generator