Bump Substrate (#816)

* Amalgamate pieces of balance module

* Fixes for vesting split

* Refactoring for vesting/balances split

* Build fixes

* Remove on_free_balance_zero and some docs.

* Indentation.

* Revert branch

* Fix.

* Update substrate: fixes after CLI refactoring

* Reverting removal of exit

* Removed too much again

* Update Cargo.lock

* Cargo.lock

* Update Substrate, ready for #4820

* Fixes

* Update to latest substrate master

* Fix network tests

* Update lock

* Fix tests

* Update futures to get bug fixes

* Fix tests for new balances/vesting logic

* Cargo fix

* Another fix

Co-authored-by: Cecile Tonglet <cecile.tonglet@cecton.com>
Co-authored-by: Robert Habermeier <rphmeier@gmail.com>
Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

polkadot/service/src/lib.rs

@@ -270,7 +270,7 @@ pub fn new_full<Runtime, Dispatch, Extrinsic>(
 	let is_authority = config.roles.is_authority() && !is_collator;
 	let force_authoring = config.force_authoring;
 	let max_block_data_size = max_block_data_size;
-	let db_path = if let DatabaseConfig::Path { ref path, .. } = config.database {
+	let db_path = if let Some(DatabaseConfig::Path { ref path, .. }) = config.database {
 		path.clone()
 	} else {
 		return Err("Starting a Polkadot service with a custom database isn't supported".to_string().into());
@@ -371,7 +371,6 @@ pub fn new_full<Runtime, Dispatch, Extrinsic>(
 		// collator connections and validation network both fulfilled by this
 		let validation_network = ValidationNetwork::new(
 			gossip_validator,
-			service.on_exit(),
 			service.client(),
 			service.spawn_task_handle(),
 		);