gem/oq-engine — pull request #1364 by micheles (2014-02-06 12:14:12+00:00)
Title: Remove time_span from disaggregation calculator

This is the companion pull request to https://github.com/gem/oq-hazardlib/pull/162.
The tests are green: http://ci.openquake.org/job/zdevel_oq-engine/273/