Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  cd700e69d2704a6836f6ea7435703e033593d0e8

Generalized access to Claims by property ID.

This provides functions to access claims by property directly from
the Entity object, and it generalizes the PropertyLookup interface
to return Claims.

Change-Id: I76e82720f3e8e9a076d4d43750f87b31337a43be