Ensure Tooltip for color scheme tool is always visible.
Improve raster symbol reload on colorchange logic.
Improve Track carryover logic, FS#1444
Improve verification of OpenGL FBO capbility.  (FS#1479)
Correct some hotkey processing to be compatible with alternate keyboards.
Increase waypoint per sentence count for Furuno GPS route upload.
Adjust serial port timing and synchronization logic on Windows.
Correct for possible fault on Toolbar context menu selection.
Language update
3.3.2107
Update the translations from Crowdin
Merge branch 'master' of https://github.com/OpenCPN/OpenCPN into devga
Signed-off-by: gilles vent vrai