nation annotations

I have sorted the Freeciv nations into "Modern", "Historical" and
"Fictional".  Are any of the client hackers interested in revising it
so the nations in the nation-selection dialog are categorized?

If so, I have a patch ready that will give each nation a "class"
attribute. The idea is that the class attribute should become the
category name under which that nation uis presented,

This patch also created "legend" attributes, very short histories
of some nations.  My thought is that the legend for the currently
selected nation could be shown in a text box below the selection dialog.

(Yes, this is because I want to get my "Barsoom" ruleset in there.)
-- 
		<a href="http://www.tuxedo.org/~esr/">Eric S. Raymond</a>

We shall not cease from exploration, and the end of all our exploring will be
to arrive where we started and know the place for the first time.
	-- T.S. Eliot