kawazrepos/Kawaz3rd — pull request #268 by lambdalisue (2014-10-14 00:50:00+00:00)
Title: Fix content_object issue

- Remove `content_object` attribute which can be `None` for deleted
object
- Use `snapshot` instead of `content_object` which would not be `None`
- Stop defering `snapshot` to prevent N+1 problem

It will fix #267