Updated mediawiki/extensions
Project: mediawiki/extensions/BlueSpiceExtensions  60cd53368344af19126b8b154233f4c7454f448f

Fixed handling of wikicode in image labels in visual editor

Links in image labels are now handled properly. In order to do that,
nested [[ are now parsed in a loop instead of regex.

Change-Id: Ie194f57bd5c693a02450d70c1e409449a3143caf