Updated mediawiki/extensions
Project: mediawiki/extensions/DataValues  aa2ab13a52293893a739e8cb5f280bbcbb601e5d

Add error code and parameters to Error.

Error objects now can carry an error code and parameters.
This allows for later programmatic handling of the error,
including localization of the message.

Change-Id: I5393a1293f6ea515e3c7129ffbb3f3913cb9b925