gem/oq-engine — pull request #814 by arbeit (2012-07-13 09:51:59+00:00)
Title: Refactor the occupancy table as described in bug #1008457

Rename "description" to "category" and constrain the latter to the following values: average, day, night, transit

https://bugs.launchpad.net/openquake/+bug/1008457