* return 401 instead of 403
* fixed http.StatusForbidden
* Tagged build version (temp)
* Unauthorized_Err when applicable
* untagged version
* fixed PUT /api/users/networks/user1
* - expired token redirs to login
- added `/api/enrollment_keys` for non-admins
- unit test for enrollment keys for non-admins
* handle user perms in `/hosts`
* removed debug
* misc
* - support masteradmin
- return hosts with partial access
* added `ismaster` to middleware
