Updated mediawiki/extensions
Project: mediawiki/extensions/WikidataEntitySuggester  4582cba5c2ead47650cab6a7b008c978737097d9

Final wikiparser mapper and reducer modules using classes. Added more docs. Reduced and polished code.

Change-Id: I33d8b0aa1927a07a08b405905f6e65a14632b116