EUCA-5814: describe loadbalancer verbose by sysadmin
EUCA-5900: add backend state 'error' and do not include the instances in 'error' when sending to the servo
EUCA-5844: sysadmin should be able to delete loadbalancer
  -- partial solution to the problem
  -- will be complete when euca2ools adds an option to specify account id
Merge branch 'testing' into dev/spark/services