Finish removal of APM mode selection

Sync to latest firmware header changes

remove wrong Q_UNUSED in primary flight display

Added MAV_CMD_START_RX_PAIR to the editCommandComboBox when creating a n...

Flightgear HIL: simulate a range finder

Add misssing arguments, fixes #847

Remove unit tests from Windows Release-only builds

Pretty volume name

Need to try this through the TeamCity install builds and then get feedback so merging

hdiutil called from inside macdelpoyqt was failing. Managed to get it
not to fail by changing layout to SPUD instead of GPTSPUD.
Unfortunately know idea why this works!

Second pass at moving joystick settings into general settings dialog window

This has been sitting for comment for a couple days. Code review is good and change makes sense. Merging.

Modified to use new FILE_TRANSFER_PROTOCOL message

Otherwise we can end up generating strange CRCs.

- Also corrected system/component id usage
- Switched to new Qt5 connect api

No major functionality changes.

Fix unit test crash rom Pull 840

Fix Linux compiler warnings from Pull 840