reciprocity/ggrc-core — pull request #554 by danring (2013-11-12 04:06:11+00:00)
Title: Fixups for Role Implications and Ownable models

* Aggregate queries for RoleImplications to reduce query count (and thus latency due to database)
* Remove `Ownable` mixin from `Help`, `Category`, and `Option` models, since these are "global" objects and should not be ownership-restricted.