* Update some docs
* Add derived account origin
* Add tests for derived origin
* Do a little bit of cleanup
* Change Origin type to use AccountIds instead of Public keys
* Update (most) tests to use new Origin types
* Remove redundant test
* Update `runtime-common` tests to use new Origin types
* Remove unused import
* Fix documentation around origin verification
* Update config types to use AccountIds in runtime
* Update Origin type used in message relay
* Use correct type when verifying message origin
* Make CallOrigin docs more consistent
* Use AccountIds instead of Public keys in Runtime types
* Introduce trait for converting AccountIds
* Bring back standalone function for deriving account IDs
* Remove AccountIdConverter configuration trait
* Remove old bridge_account_id derivation function
* Handle target ID decoding errors more gracefully
* Update message-lane to use new AccountId derivation
* Update merged code to use new Origin types
* Use explicit conversion between H256 and AccountIds
* Make relayer fund account a config option in `message-lane` pallet
* Add note about deriving the same account on different chains
* Fix test weight
* Use AccountId instead of Public key when signing Calls
* Semi-hardcode relayer fund address into Message Lane pallet
Tomasz Drwięga