Updated mediawiki/extensions
Project: mediawiki/extensions/WikidataEntitySuggester  05fe2e56fc2958b004f5b653959a1b05f871c065

Added code docs, now using docstrings. Fixed a few syntax errors. Removed trailing whitespace.

Change-Id: I0658eb7a5fdd8f873b5dc052a8332cdee3aa4417