Mediawiki: Only registered users with email confirmed can edit

This use case implies that visitors can only see content of the wiki. Registered users, with confirmed email address, can create content. A moderator group with extended rights is created. The moderator group is called ninja; you can easly tweak its rights. Based on mediawiki 1.15.1 default $wgGroupPermissions array. You need to add the following to your [...]