Changed unit tags from old style to future proof style

MODIFIED:
mission.sqm, unit names, group assignments
folk_assigngear_*.sqf, names of files
folk_assigngear.sqf, include calls changed to reflect new filenames
f_briefing_*.sqf, names of files, comments
init.sqf, comments
folk_setGroupIDs.sqf, changed group names
folk_setLocalGroupMarkers.sqf, changed group names


TAGS:
RED - > CSAT
BLUFOR/BLUE/BLU -> NATO
GREEN/GRN -> AAF