Have not tested if it runs yet

This allows the easier hookup of the old summa which has the ladder module name

Got the clients communicating together.

The tuple holds the actor address and the hostname so actors can connect when a server goes down

I was removing the client from the list before sending it.
Then when the backup_server went to use it there was nothing there.
Added a throw statement for this case.

removed dependency in batch class where the batch was provided a client. Now a client only contains the batch and not vice versa