Updated mediawiki/extensions
Project: mediawiki/extensions/BounceHandler  8362480389c81df71f0ec66f1840c1a29f5e238a

Moved extension classes to inlcudes/

As part of tidying up the code to make it ready for production.

Change-Id: Ib1011fb63810550d011c15850441ae67fc1f4cd2