Updated mediawiki/extensions
Project: mediawiki/extensions/OAuth  7a0a6c54ccc98db30c784a88a86ed699d59f5b1c

Funnel all central ID <=> name/User lookups through the utils methods

* Also added a MWOAuthUtils::getCentralUserNameFromId() method (the hook supports batching)

Change-Id: Ic274ff3d65ecfa9d602fb92b8998276ce722f5b1