nova_sync_quotas: add verbosity and bug fix
nova_sync_quotas: add verbosity and bug fix

- Added additional print statements for verbose mode
- Added a noop mode, which does everything but update the database
- Fix a bug where the usage dict was being improperly populated
- Fix a bug where we were counting all the VMs we should be to determine
  current quota usage

fzylogic/os-maintenance-tools,dreamhost/os-maintenance-tools,fzylogic/os-maintenance-tools,drwahl/os-maintenance-tools,dreamhost/os-maintenance-tools,dreamhost/os-maintenance-tools,drwahl/os-maintenance-tools,drwahl/os-maintenance-tools,fzylogic/os-maintenance-tools