Updated mediawiki/extensions
Project: mediawiki/extensions/UniversalLanguageSelector  7b09200f24109850db19b365cc01ec4c26bb95bc

uls- prefix classes and IDs

Needs to merged with https://github.com/wikimedia/jquery.uls/pull/147
in core.

Change-Id: I860e5ac7f2fc17508cc76fb756d39cbd61aa1afe