Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  3e5ecbf1d8eef4fc4f8f2ff70fd211e08d855eb4

Implement LabelLookup

implementations that can take either LanguageFallbackChain
or a language code.

formatters can take a LabelLookup (of either implementation)
rather than stuffing a LanguageFallbackChain into formatter options,
and such evilness.

Change-Id: I420df654a8ef7d17e3e45b7e2b0444f5c130a873