There was a great deal of inconsistency in
different menus on how headings were displayed.
This allows the user to select what they like best.
I was motivated to do this, because I wasn't satisfied
with the appearance of ATR_INVERSE in the menus
on win32tty, and several of them specified it.
to make that field unconditional, otherwise
NetHack won't compile without TEXTCOLOR defined.
Also provides at least an interim solution for the has_color()
problem that Warwick pointed out.
Lastly, Archeologists know touchstones.
