Updated mediawiki/extensions
Project: mediawiki/extensions/BlueSpiceExtensions  3d1e19e24b420e38152df73fb82484db038d9a70

VisualEditor: Added support for NSFileRepo images

NSFileRepo allows Images with a colon in the file name. VisualEditor did
not handle those filenames correctly

Change-Id: I5b3accc3420f9bbcc1e330c3ea80f0637364e0ec