Updated mediawiki/extensions
Project: mediawiki/extensions/MobileFrontend  56247e0d937e16e5cdea65af851f205732913a11

(mingle 397) Append configurable string to photo upload description

* Adds config var wgMFPhotoUploadAppendToDesc, the value of which will
be appended to a photo description during upload.

Change-Id: I7df9dce791693ed1fa79b9b2066116430f34cb92