Removes unused parameters from Compute exceptions

* Removed "message" paramter that was not being used. A value
  for this exception was not being passed, which was causing
  a fault when these exceptions were raised

Change-Id: I7f19b748428b905bab3875bead17ebb6436c0651
Added to known server states

* Added states related to admin functionality to server states

Change-Id: Id4bda3626f61a1621c851836f36738081ac5355e
Merge "Removes unused parameters from Compute exceptions"
Merge "Added to known server states"