[svn] use config_get in set_lang, just incase request.environ isn't around (unlikely)
[svn] use config_get in set_lang, just incase request.environ isn't around (unlikely)

--HG--
branch : trunk

moreati/pylons,Pylons/pylons,Pylons/pylons,Pylons/pylons,moreati/pylons,moreati/pylons