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
Give it an .txt extension
Also give the README file an .txt extension
Added the .txt extensions to README and LICENSE here too and make sure that the socket and mime folder are also deleted after uninstall
Rename CONTRIBUTING to CONTRIBUTING.txt
Fix: someone used tabs instead of spaces
Update the hotkey Dutch translation
Let CMake look for either Lua or LuaJIT depending on the new flag WITH_LUAJIT
correction to quick save and load feature

Alt+S is already in use for toggle sound so changing the quick save and
load shift + Alt + S and shift + Alt + L
Merge pull request #63 from mrtnptrs/master

Give some files an .txt extension and make sure that the mime and socket directory are removed on uninstall
Merge pull request #55 from damsweb/master

Update french.lua and CMakeLists.txt
Merge pull request #87 from Lego3/new_lua_finder2

Let CMake look for either Lua or LuaJIT depending on a new flag
Merge pull request #97 from MarkL1961/keypresses

correction to quick save and load feature
Adds a sound to taking a screenshot

This will add the sound of the camera click when taking a screenshot
(Ctrl + S)
Merge pull request #112 from MarkL1961/Screenshot-sound-effect

Adds a sound to taking a screenshot
Update copyright date in license file

Uhm, it's two years later now. It is a very tiny commit, but it's worth it :)
Merge pull request #135 from mrtnptrs/master

Update copyright date in license file