The admin/rating panel has been upgraded to use v2 of the CloudKitty API,
matching the project/rating panel. Variable names have also been changed to
match the project/rating panel format.
This enables filtering in the API calls.
Change-Id: I96f795ae9d8085ed92a9213a6e7571be5a702904
Signed-off-by: Leonie Chamberlin-Medd <leonie@stackhpc.com>