Mission Planner 1.2.75
speed tuning.
fix ch3out when not connected
fix dont let current be negative
support andropilot logs (253 sysid)
change gmapmaker to cache icon
fix utmzone calc. (was central meridian, not zone)
resize some images.
add utm and mgrs to mouse movement.
fix sort on grad click
recalc grad more often.
add utm grid to FP screen.
add COMPASS_EXTERNAL support
fix declination handeling.
add overstats, and session stats
support fmuv2 uploading
add geoutility external lib
add new coords display in FD
hud performance tweak
mainswitcher input validation
tweak mybutton colors
add new myprogressbar
map marker performance tweak
fix getlongest side in survey interface
zedgraph symbol performance tweak
split the deg, min in compass
add rc9 to gimbal screen
raw param performance tweak
anable/disable disconnect button in terminal
add map to logbrowser