gem/oq-engine — pull request #1484 by micheles (2014-07-28 08:50:16+00:00)
Title: Now hazard calculations can be deleted safely

This solved the bug https://bugs.launchpad.net/oq-engine/+bug/1340768.
The tests are running here: https://ci.openquake.org/job/zdevel_oq-engine/479