Updated mediawiki/extensions
Project: mediawiki/extensions/MediaWikiChat  43fa2c685f2e93de946f15072f60fb8a30a8911f

Redo PM header interface

Allow PMS to be collapsed - Brickimedia/brickimedia#161
Remove annoying PM text and replace with tooltip
And fix a message problem

Change-Id: I1e902af6e8e11f78b2377f9014cbe9c289397063