[WIP] - 422 elb rotate (#493)

* Initial work on certificate rotation.

* Adding ability to get additional certificate info.

* - Adding endpoint rotation.
- Removes the g requirement from all services to enable easier testing.

lemur/roles/views.py

@@ -83,8 +83,7 @@ class RolesList(AuthenticatedResource):
         parser.add_argument('id', type=str, location='args')
 
         args = parser.parse_args()
-        if not g.current_user.is_admin:
-            args['user_id'] = g.current_user.id
+        args['user'] = g.current_user
         return service.render(args)
 
     @admin_permission.require(http_exception=403)