Updated mediawiki/extensions
Project: mediawiki/extensions/CentralNotice  c9a8821ad78602d4d6425f38b7bb5596cdd337a6

Add a UI for attaching mixins to banners

Also, propagate the "debug" parameter from the content page request to the
banner load ajax.  If debug is set on the banner load and a mixin is included,
the payload will not be minified.

Change-Id: Ie99c7363bc9bd1b3df4ed6cbb478744e9ecd6c0c