* Generic OwnerEditor; Create TableOwnerEditor
Signed-off-by: Tamika Tannis <ttannis@lyft.com>

* Create & use DashboardOwnerEditor
Signed-off-by: Tamika Tannis <ttannis@lyft.com>

* Code cleanup
Signed-off-by: Tamika Tannis <ttannis@lyft.com>

* Add tests + user fixtures
Signed-off-by: Tamika Tannis <ttannis@lyft.com>

* Code cleanup
Signed-off-by: Tamika Tannis <ttannis@lyft.com>