Updated mediawiki/skins
Project: mediawiki/skins/chameleon  5e9ec3ec41a86b4b969df79f797b04d58b3a0dee

Add Menu component to NavBar; clean-up autoloading; fix print styles; new layout stickyhead

* No need for MW autoloader when the composer autoloader is available
* New layout is not yet finished, but good enough for playing

Change-Id: I308bf77134415ec45625d635166d06d3f26259da