bugfixes, cleanup
Rearrange menus to be more standardized/consistent.
bugfix
Bugfixes: make the > or >> markers on groups more helpful if subgroup is empty, and others.
And a little refactoring.
Remove comment.
Allow editing all RTG and RTE info, plus group names.
Remove comments (false start); bugfix.
bugfix & it fast to add single entries
Little fixes.
Make it not crash when entity name is too long.
Make navigation more efficient: choosing subgroup letter goes straight there, etc.
Bugfix: don't crash when >1 duplicate entity name already present.
Swap quick menu options 7/8.
wip
wip: cleaning up what i hope is right committed lines now, from 20d348f and maybe de94c43.
Not sure how we got some right, some wrong in that commit??  Work in
progress is to allow importing files into the model (2-space per indent
collapsible outlines).
Support importing text outlines as entities/subgroups.
Save date whenever new entity is created.
Export feature.
bugfixes for export feature.
Allow going to the entity that contains a group, not alw/only 2 the grp itself.
(Was this already in there somewhere, other than via search & groups w/ !=1 mbrs?)