/wb_theme/jquery/jquery-plugins.js fixed uncheck function

git-svn-id: svn://isteam.dynxs.de/wb_svn/wb280/branches/2.8.x@1936 98bf1eab-f5fc-0310-a3ed-aac8851f7404
unneeded file /framework/Modlanguage.php removed

git-svn-id: svn://isteam.dynxs.de/wb_svn/wb280/branches/2.8.x@1937 98bf1eab-f5fc-0310-a3ed-aac8851f7404
update Twig template engine to version 1.13.1

git-svn-id: svn://isteam.dynxs.de/wb_svn/wb280/branches/2.8.x@1938 98bf1eab-f5fc-0310-a3ed-aac8851f7404
added module MultiLingual to basic packet

git-svn-id: svn://isteam.dynxs.de/wb_svn/wb280/branches/2.8.x@1939 98bf1eab-f5fc-0310-a3ed-aac8851f7404