Updated mediawiki/extensions
Project: mediawiki/extensions/Parsoid  15b16e940e37a160ce547de3f4dbe4cafba4b110

Be a little more obvious with outdated parserTests.txt warning.

It's easy to lose the "out of date parserTests" warning at the top
of the scrollback when you get lots of errors and warnings.  Repeat
it at the bottom to be sure it's not missed.

Change-Id: I256f7d2fea491c5b773d6cca8bae336edfc5b279