Updated mediawiki/extensions
Project: mediawiki/extensions/SecureHTML  0881e3f2ff25086e7059760655bee7de1662b40f

Consistency tweaks in preparation for adding extension to translatewiki.net

* Remove Title Case
* Spinkle some <code></code>
* Kill double spaces and use line breaks for new sentences instead

Change-Id: Ia5d9c85db6e84f32fc8e20a4332b480750bbe480