Toggle the horizontal menu.
http://www.github.com/xwiki
http://www.github.com/xwiki/xwiki-rendering
http://www.github.com/xwiki/xwiki-commons/tree/master/xwiki-commons-core/pom.xml
http://www.github.com/xwiki/xwiki-platform/tree/stable-3.1.x/xwiki-platform-core/pom.xml
hghg With label tyty