Updated mediawiki/extensions
Project: mediawiki/extensions/MediaWikiChat  20938ba59bd52a988e2ad326f100e56872187316

Add $wgChatRichMessages

Default true, whether or not to parse messages through the MediaWiki
WikiText parser, and show smileys.
Also clean up some variable names in MediaWikiChat::parseMessage

Change-Id: I9a492c03d083046b42b547ccd6d24c2b49565bfb