Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  697b92d002fc69b7a8e3f05345d863329170c865

Simplifying listview widget while introducing snaklistview

The generic listview widget does not need a cascading DOM structure anymore. The toolbar
placeholder needed for the references is moved to a new snaklistview template.
The actual snaklistview widget will be implemented in another change set.

Change-Id: Id2cbff8246baba9dad93e35a0dd1ff9cc1f9cbdf