Updated mediawiki/extensions
Project: mediawiki/extensions/MobileFrontend  c8bdab50b0d94c871918bc6937987003db056f88

Add explanation overlay to photo upload view

Changes:
* Allows any element matching .close selector inside content to close
the overlay

TODO:
Currently only one overlay can exist at a time, next commit will refactor
createOverlay to allow stacking..

Change-Id: Icadff153ee8d933c920bd0df50e6003b9af768b0