Updated mediawiki/extensions
Project: mediawiki/extensions/OAuth  ed8c524c28d07c6976fac08261c6a21d367d35f6

Various code cleanups

* Created getLocalUserFromCentralId/getCentralIdFromLocalUser functions
* Inject the DB object into the control classes
* Made Special:MWOAuthManageMyGrants use the pretty grant names
* Removed some unused code
* Added various comments
* Other small fixes

Change-Id: I910f5478f2de494026256384115800c3dcc51c2f