* Remove node's main identitiy from NodeInfo.
Preparation for getting rid of services + supporting multiple identities
on the node.
NodeInfo keeps multiple identities as a list. For now the first one is treated as a special one.
Introduced function chooseIdentity in CoreTestUtils as a preparation for proper handling of multiple identities in the future.
Remove legalIdentityKey from ServiceHub, add extension function - chooseIdentity on ServiceHub.
Add `me` field on FlowStateMachineImplemetation, flows should know what the calling identity is.
Remove SERVICES_PREFIX in artemis messaging layer.
* Address minor comments.
* Fixes after rebase.
Remove chooseIdentity from ServiceHub
* Rename me to ourIdentity on FlowLogic
* Fixes after rebase
* Address Ross comments, fixes
* Fix after rebase
* Fix services certificate paths
Apply Patrick's patch.
Fixup after rebase
Restore original key property names
Fixup after rebase
Undo extra import that IntelliJ keeps erroneously adding.
Add comments and fix docs for transaction signing.
Fixes after rebase
More fixes after rebase
Address PR requests
Address PR requests