jplusplus/detective.io — pull request #511 by vied12 (2014-09-04 14:29:47+00:00)
Title: Feature/fix patch relations

## Change

- on relation patching, we don't clear every relations in order to recreate them. We add new, escape existing, and remove unused.
- new unit test to check relation patching.
- new commands for ./manage.py which list and remove orphans Properties.