Updated mediawiki/extensions
Project: mediawiki/extensions/MediaWikiChat  08a7ee4c867f6a1e3866f091144c37709d9f3872

Remove $wgChatSocialAvatars

A couple of people have struggled with this, so the software will now
automatically check if SocialProfile is installed, and use social avatars
if it is

Change-Id: I154a3e7f74cb443eb8969fb438c0c303d878bf1f