Updated mediawiki/extensions
Project: mediawiki/extensions/OAuth  2ad6faddbc22608596921f82c398368aa8fc41ba

Fixes for getting signed post variables

Stay with the spec and only use application/x-www-form-urlencoded POST
requests.

Change-Id: Idc7578096bec94fd5ca39fd4fe69a8a7c90ea2b2