Updated mediawiki/extensions
Project: mediawiki/extensions/TwnMainPage  41aa9bdd5d29acb5ba5bb0c60752fd5ea368f9a1

Fix empty message group selector

Message groups would not become vsibile in the selector in
the new main page, because the selector did not receive
the loading is complete event.

Change-Id: Ie90b4a8638271e0207e42bc895b793f22b9f8a6a