Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  b14fc895b6079dec41b252b8c9697b447746480b

Improve default and parameter docu for dispatcher.

The dispatcher will now run one pass
when called without any parameters, instead of using the number
of configured target wikis as a "magical" defgault.

Also improved help messages and logging.

Change-Id: I3745a1904c23786503e8e3b38c6a4c2a9ca3923b