Updated mediawiki/extensions
Project: mediawiki/extensions/MobileFrontend  ab642e099ee834494f378895090220f0d29580d8

Tweak the nearby preview

* Move heading out of header
* Make the preview only show first paragraph and show the page image
* Make the listThumb class more generic so it can be used in
the preview
* Update retrievePage to allow access to lead section only

Change-Id: I372d76d54b48f50c2aeb614bc34c0ed1e9f8a033