Updated mediawiki/extensions
Project: mediawiki/extensions/Parsoid  18e869401f223432e5120dd55e0eb94929f85e57

Use git diff --patience to compare test results

The 'patience' algorithm produces a larger diff, but mostly avoids mixing test
results from unrelated tests which made the default diff often very hard to
decipher.

Change-Id: I323b483731b2d0a456e88e0511c8202c5b71a190