Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  97c662a7dd6d5dc128ac8b2f03631ba0d4798de2

Introducing DispatchingValueFormatter and OutputFormatValueFormatterFactory.

This also renames SnakFormatterFactory to OutputFormatSnakFormatterFactory.

Change-Id: I3d7fefdd48ab72e2e1ca502c5eb06568b52666da