Update french.lua

Fix typography rules.
Update CMakeLists.txt for moved LICENSE.txt in the parent directory

Reported on https://code.google.com/p/corsix-th/issues/detail?id=1704&start=100
Better to provide a patch here. :-)
Bug still available.
Update french.lua

fix missing unit for money and add # for IRC channel
Merge pull request #55 from damsweb/master

Update french.lua and CMakeLists.txt