Sudo module (#1315)

* Sudo module

* Fix comment

* Fix errors

* Fix test

* Update hashes

* Final test fixes and build

* Final hex change

substrate/node/executor/src/lib.rs

@@ -260,6 +260,7 @@ mod tests {
 			treasury: Some(Default::default()),
 			contract: Some(Default::default()),
 			upgrade_key: Some(Default::default()),
+			sudo: Some(Default::default()),
 			grandpa: Some(GrandpaConfig {
 				authorities: vec![ // set these so no GRANDPA events fire when session changes
 					(Alice.to_raw_public().into(), 1),
@@ -311,9 +312,9 @@ mod tests {
 			1,
 			GENESIS_HASH.into(),
 			if support_changes_trie {
-				hex!("1a7758d96d7353732f3054a3dacb18f04f42fc48f6706378d6f7be744c6022f1").into()
+				hex!("bc4bdc45ba03402f9b4c7ec09834065c57205b1742bf2469ab9fc54544d8d002").into()
 			} else {
-				hex!("1cf270c8a484df4931af562f7afdc9f44d99ae1bd35fe30fbd2cf3c1be2e933b").into()
+				hex!("6bfbf71fa08d99f2488e295807059269cbc43ea21af3316a92406974593a1fc2").into()
 			},
 			if support_changes_trie {
 				vec![changes_trie_log(
@@ -339,7 +340,7 @@ mod tests {
 		construct_block(
 			2,
 			block1(false).1,
-			hex!("a208e27269f8a17e7f7cf9513396d3579066df10a853e030345847ec96593c2e").into(),
+			hex!("24f8ac99a6d98e9b53f4f6ef6ffdd12ba53ea3f247200a8126fa69c4b5047fbc").into(),
 			vec![ // session changes here, so we add a grandpa change signal log.
 				Log::from(::grandpa::RawLog::AuthoritiesChangeSignal(0, vec![
 					(Keyring::One.to_raw_public().into(), 1),
@@ -368,7 +369,7 @@ mod tests {
 		construct_block(
 			1,
 			GENESIS_HASH.into(),
-			hex!("a506a69fefa4dc1be6838b68dc6e5799bd5fec545ef890cadac20edc0254d37a").into(),
+			hex!("7b7d3b509a444cdf214825d3354507823a4c91eafa493f0956448881a81ab797").into(),
 			vec![],
 			vec![
 				CheckedExtrinsic {
@@ -658,7 +659,7 @@ mod tests {
 		let b = construct_block(
 			1,
 			GENESIS_HASH.into(),
-			hex!("3af4e1ba0769122b1e92b138fecf7ce8bb2fe4f2a65fba3b423f87942f1ba8c8").into(),
+			hex!("bfc8051f91071149cca8b8dca6290fdb82eda6868d48cfed25f8ca38ed3a1049").into(),
 			vec![],
 			vec![
 				CheckedExtrinsic {