Updated mediawiki/extensions
Project: mediawiki/extensions/EventLogging  abce19102ed56a0698e41377cd116a018c89d26c

Change default prefix of StatsD writer

Was: 'eventlogging'; now: 'eventlogging.schema'. This is so its output is
organized with respect to the stats emitted by eventlogging-reporter instances.

Change-Id: Iaf082024d217a33a20acff8dbca72908b31d6318