More tweaks to Constellations popup menu grouping.
Note on source of parameters - the FCC filing.
Improving packaging notes.
Now that we have submenus, that's off the wishlist.
Forgot to mention the equatorial rings submenu.
updating manual for current use of submenus.
Constellation menu cleanup and categorisation.
More submenus. Now in options-only menu, so we can add different submenu tyoes.
making submenu creation easier with names.
First cut at adding submenus and grouping to the Constellations menu. Finally!
