Updated mediawiki/extensions
Project: mediawiki/extensions/CirrusSearch  8731c7a5d6cb039e8af495f9be7ea01b8059b58c

Use unicode plugin when present

We replace the lowercase with unicode case folding which should do the same
thing _and_ fold together similar characters.

Change-Id: Ied112d1c942045e357f9e7ad5f97400377ce164c