Updated mediawiki/extensions
Project: mediawiki/extensions/Flow  01353542bb7d9f2393991f3ac23e4b1f4a01ae2a

Prevent fatal errors in urlgenerator

Reviewed the UrlGenerator for oportunites to generate fatal
errors.  UrlGenerator should now always output catchable errors
of one sort or another and not fatal.

Bug: 60906
Change-Id: Ied0563ccd5e06d6c189c919a0e6c1d9c62faf63c