Updated mediawiki/extensions
Project: mediawiki/extensions/EventLogging  f5fbcda3a425db306bba0151f8848c62158523ec

Complete Implementation of additionalProperties

According to

http://json-schema.org/latest/json-schema-validation.html#anchor64

additionalProperties can also be true, indicating everything is valid.

Change-Id: I68c9de57e98c013f586591a766560f403209f637