Correct fault on Grib Preferences dialog before fully initialized.
3.3.721
Correct SENC creation for cells with National Text strings.
Improve S-52 symbolization of SLCONS
Improve S52 symbolization of VEGATN pattern
Correct wxAssert on invalid wxDateTime, Windows debug build.
Modify GPX Waypoint output format to conform to GPX1.1 Schema
Signed-off-by: gilles +
Merge branch 'master' of https://github.com/OpenCPN/OpenCPN into devga

Conflicts:
	VERSION.cmake

Signed-off-by: gilles
Merge branch 'devga' of https://github.com/JONA-GA/OpenCPN into devga
Signed-off-by: gilles trueWind