Mobile telemetry logging

Camera: Added Sony RX100

Fix bad signalling when fence/rally not supported

ExternalLibs: Fix compilation on windows 64bit

Support for custom build installers for Windows/OSX

Add switch to QGCExternalLibs.pri to check whether 32bit or 64bit version of SDL should be used on windows

Better param logging for mission default component case

Create vehicles only for autopilot component

Allow RADIO_STATUS message to pass through to vehicle

Correctly supports application name and branding changes

Keep Android screen from sleeping while QGC is running.

Support Win 7/10 for #3210

Change to log file extension handling

Small screen, fall back to font based sizing

RTK Indicator updates

CameraSection: Fixup unit test to new NaN usage

Fixes for relative altitude signalling

Don't drop point-size on Linux

Fix coloring of QGCComboBox dropdowns