Updated mediawiki/extensions
Project: mediawiki/extensions/BlueSpiceExtensions  942c20b0b0b9b125bb3b13ef6b97d581e7541ecf

Changed label of column header

Actually "in statistics" means, the namespace is a content namepsace. So
don't lie about it.

 * Imporved message documentation

Change-Id: I9690da257c7b89a7314b387f6ce7997cf6720abe