Eva - TeraVision

++As a group admin, I want the ability to assign admin roles to other group users

Notes
Users can be assigned to one of five roles by a group admin:

- Primary Group Admin (editing)
- Group Admin (editing members, but cannot edit admins)
- Group Admin (sending and replying only)
- Sub-Group Admin (editing member, but not admins)
- Sub-Group Admin (sending and replying only)