recent changes in the site

[Luiz Henrique de Figueiredo <lhf@...>]

We've added a web page listing recent changes in www.lua.org:
	http://www.lua.org/recent.html
It's not as useful as the one in the wiki (because you can't see *what* was
changed in each page) but at least it gives an indication of where to look.
--lhf