MAVLink: update upstream lib
Currentstate: add laser positon health message
wizard: compasscalib, add exception handle
MainV2: add null check on threads on exit
Mission Planner 1.3.15
flightdata: preflight_calib, only set gyro calib on copter
ConfigBatteryMonitoring: Added VRBRAIN4 board pins and corrected VRBRAIN 5 and VR Micro drop down auto-select
FirmwareUpload: VRBRAIN added board detection for VRBRAIN 4.
Changed message box for VRBRAIN 4 firmware upload.
Changed message box for VRBRIN5 boards after upload.