Updated mediawiki/extensions
Project: mediawiki/extensions/CentralAuth  b2f66f966bf80d65e20d880b700d984976e03bd1

Refactoring SpecialGlobalUsers.php and SpecialMergeAccount.php to use XML and HTML forms.

Change-Id: I36267e0df681f50e004ae08629aa5cfa204379b1