Lua: recent changes

Lua web pages that have been changed in the last 30 days.

new corporate sponsorship program
http://www.lua.org/news.html

added World of Warcraft Programming
http://www.lua.org/docs.html

minor edit
http://www.lua.org/manual/5.1/es/manual.html

minor edit
http://www.lua.org/manual/5.1/pt/manual.html

minor edit
http://www.lua.org/manual/all.html

minor edit
http://www.lua.org/lua-l.html