gem/oq-engine — pull request #1592 by micheles (2014-11-13 09:25:11+00:00)
Title: Warn when using a hazard generated by another user

See https://bugs.launchpad.net/oq-engine/+bug/1376643.
The tests are green: https://ci.openquake.org/job/zdevel_oq-engine/832