Updated mediawiki/extensions
Project: mediawiki/extensions/BounceHandler  92e9fef2c190ba8049870a7654eb3b3fd6e812d6

Shifted Generate VERP address function to its own new class

To tidy up the code in the course of deployement

Change-Id: I95f641b106b6faa47aa05f83fe3435c0d82f0af0