Updated mediawiki/extensions
Project: mediawiki/extensions/EventLogging  56c42bbc5dbe0ddd2db3b4546be1ed060a88d85b

Default output URI should be 'stdout://'

Setting the default output URI to 'stdout://' means that invoking eventlogger
with only an input URI can be used for debugging and piping.

Change-Id: I8935a957d300ee828bf25d5f518b73a8f5af7466