TODO implement get all subs for one cloudlet.
At the moment it only gets all from all of OPENi
Changing the structure of the subscription component
New Code complete, TODO: PUT Action - look into revision numbers as object API seems to have changed and moved away from that.
updated subs PUT so that users cannot modify data fields generated by the system
Remove support for creation of multiple subscriptions with one request.
All requests now work including subscriptions_by_cloudlet with only one element