let's use our lua instead of trying to use a system lua. If this doesn't work...

let's use our lua instead of trying to use a system lua. If this doesn't work on all platforms we'll have to work on that.

git-svn-id: http://svn.net-core.org/repos/t-engine4@2191 51575b47-30f0-44d4-a5cc-537603b46e54