Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  15c54d07e6b797934e5c7e46d6fb2d0d7954901a

Implemented ordering of snaks within SnakList

(bug 52391)
Implemented "move" functions in wikibase.SnakList which allow moving snaks within
the SnakList while considering the snaks being grouped by property.

Change-Id: Ic3e23827144b047038790afddf86996c3efa5c34