[Urwid] Renaming Urwid and splitting up the repo

[Nuutti Kotivuori]

Ian Ward wrote:
> "Urwid" was an awkward shortening of "cURses WIDgets", but the library
> has grown to more than that.

Urwid is fine, but if you want to change:

> "conui":

conui sounds better.

...waiting for apt-get install python-conui...

-- Naked