Use sign_with in consensus (#6008)

* Add derive_more to sp_core

* Convert Vec to Signature

* Use sign_with in AURA and BABE

* Signing errors

* Update slots to return consensus result

* Fix use

* Clone public key

* Match block_params

* WIP

* Use to_public_crypto_pair

* Pass public key only to block import params

* Address PR review

* Fix consensus RPC

* Fix babe tests

* adjust uses

* Fix line widths

substrate/Cargo.lock

@@ -6247,6 +6247,7 @@ dependencies = [
  "sc-client-api",
  "sc-telemetry",
  "sp-api",
+ "sp-application-crypto",
  "sp-blockchain",
  "sp-consensus",
  "sp-core",
@@ -7464,6 +7465,7 @@ dependencies = [
  "blake2-rfc",
  "byteorder 1.3.4",
  "criterion 0.2.11",
+ "derive_more",
  "ed25519-dalek",
  "futures 0.3.4",
  "hash-db",