Updated mediawiki/extensions
Project: mediawiki/extensions/Parsoid  ce71f5c996c2c13ea33b6e8f08610580dc0e5aa1

Fix some more environment class bugs

This patch makes config caching finally work across requests by moving the
cache to MWParserEnvironment.prototype.

Another fix makes sure that template fetch requests don't leak across
top-level requests.

Change-Id: Iea67d455c6f598eba5247fcf6b0af1f95e72a37b