Only show permissions link for owner.
Swarms no longer have users; they have creators.

This paves the way for setting up ownership through permissions
Moving relationships to swarms entirely on to access permissions.
Moving all permissions over to the permissions table.
Owners should be Creators; absolute Creator of a swarm is still used.
User's own display is just an access permission.
Track who created an access permission.
Create emails in this bulk task.
Validate user as well as email on permissions.
Create access permissions on a swarm after a user is created.
Overhauling permissions UI to reflect new API.
Create an AccessPermission when you make a swarm.
Adding a spec for this.
Removing pending specs.