* fixed a bug, where when servers failed, when also agency leadership changes
* redid entire design of checkDBServers/checkCoordinators.
* comparison in supervision must be between oldPersisted and newHealth
* UI stuff
* UI stuff
* FailedServer test needed adjustment
* Hopefully final round
* fixed supervision failure detection
* FailedServer tests back to origin devel
* oldNot documented among preconditions in Agency HTTP API docs
* changed only look for status updated
* non action line in api-cluster
* order of free and free2 changed with use of unordered_multimap vs multimap
* fixing order independance for maps in catch tests fixed?
* missing bits and pieces