gem/oq-engine — pull request #1593 by micheles (2014-11-13 10:05:30+00:00)
Title: Warn the user if she asks for statistical outputs but using a single hazard output

See https://bugs.launchpad.net/oq-engine/+bug/1189746.
The tests are running here: https://ci.openquake.org/job/zdevel_oq-engine/833