Updated mediawiki/extensions
Project: mediawiki/extensions/EventLogging  10a355650045d6f968e4579feae7c927ed4d1646

Use JSON schema API module rather than action=raw

This patch migrates the EventLogging Python library to using the JSON Schema
API module to fetch schemas.

The URIs for fetching schemas should be read from a configuration file, but
that is work for another patch.

Change-Id: I2c644096adcea8a4d2860cb927128794767a74fc