It's no longer used as we've switched over to AMQP for RPC calls so
remove it from everywhere and only use it for checkpointing
* Wire up demo bench post Kryo removal
* Test Fixes
* rebase and fix tests
* Test Fix
* wip
* revert changes to api now we don't need to add annotations
- Existing embedded Shell connects via RPC including checking RPC user credentials (before was a direct use of CordaRPCOps): in dev mode when console terminal is enabled, node created `shell` user.
- New Standalone Shell app with the same functionalities as Shell: connects to a node via RPC Client, can use SSL and run SSH server.