Updated mediawiki/extensions
Project: mediawiki/extensions/OAuth  ae47db7a9d9890d6dd11495cf61e8e3ff35f0ac6

PHPUnit tests for lib/OAuth.php

Imported from https://oauth.googlecode.com/svn/code/php/tests/, with
minor style, license, and test group cleanups.

Change-Id: Id312dcb0542250fcb109fd08455a96423d11280d