Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  deff16196c502dbbd570bf116c07376c13e06287

Implement Api ResultBuilder and basic tests

This takes the logic of adding bits of entities to
results out of the API base and puts it in its own
result builder class.

Change-Id: Ic25fcef8632952266d9c9768944b03bb8636c6cb