Updated mediawiki/extensions
Project: mediawiki/extensions/SectionDisqus  73774a1ea90af9c93deda7c1678ca2198a406f7e

Consistency tweaks in preparation for adding extension to translatewiki.net

* Fix type of extension. It is not a special pahe
* Fix extension name in qqq section
* Remove full stop at end of description message

Change-Id: Iaab4609a9210c4ad4d95ec1c0a72c7ab7d37d06e