Updated mediawiki/extensions
Project: mediawiki/extensions/WikidataEntitySuggester  a6c9e9f0645155acc80669bc53d4eda4ff76d1e0

Added Hadoop Streaming scripts to parse wikidata xml.bz2 dumps, generate csv files, build database to test prototype

Change-Id: If498deba01516c4a1543845f87598d56e1209bc6