Updated mediawiki/extensions
Project: mediawiki/extensions/Parsoid  7528fe97e1047acd222287e63d1133dc049cf490

Add extension credits and $wgParsoidSkipRatio load shedding

This patch adds localized extension credits for Parsoid, and lets us shed some
load by skipping a configurable percentage of updates. The plan is to use this
crude mechanism so slowly ramp up the load on the Parsoid cluster.

Change-Id: I699ee82922aeb61aed84b53ad5eef913261622e7