Fetch parity-common crates from crates.io (#9410)

* Fetch `parity-common` crates from crates.io

* Add doc tests from `patricia-trie` to `patricia-trie-ethereum`
Fix/update a few deps

* [ethkey] upgrade ethereum-types

* [whisper] update deps

* [network] deps

* [network-devp2p] deps

* [journaldb] deps

* [fastmap] deps

* [miner] deps and test fixes

* [machine] deps

* [json] deps

* [hw] deps

* [ethash] deps

* [registrar] deps

* Update a few more dependencies with new ethabi-*

* [updater] Update deps

* deps

* [ethcore] Update deps

* Use new parity-snappy and parity-rocksdb crates

* Updated submodules

* Use parity-snappy 0.1

* Use kvdb-rocksdb 0.1.2

* Don't use latest ethereum/tests

* Fix merge conflicts errors

* Remove superseeded comment

* Address grumbles: add newlines, add/remove spaces

ethcore/src/engines/authority_round/mod.rs

@@ -1919,7 +1919,7 @@ mod tests {
 		let b2 = b2.close_and_lock().unwrap();
 
 		// the spec sets the block reward to 10
-		assert_eq!(b2.block().state().balance(&addr1).unwrap(), addr1_balance + (10 * 2).into())
+		assert_eq!(b2.block().state().balance(&addr1).unwrap(), addr1_balance + (10 * 2))
 	}
 
 	#[test]
@@ -2067,7 +2067,7 @@ mod tests {
 		// the contract rewards (1000 + kind) for each benefactor/reward kind
 		assert_eq!(
 			b2.block().state().balance(&addr1).unwrap(),
-			addr1_balance + (1000 + 0).into() + (1000 + 2).into(),
+			addr1_balance + (1000 + 0) + (1000 + 2),
 		)
 	}
 }

ethcore/src/engines/tendermint/mod.rs

@@ -454,8 +454,8 @@ impl Engine<EthereumMachine> for Tendermint {
 	fn populate_from_parent(&self, header: &mut Header, parent: &Header) {
 		// Chain scoring: total weight is sqrt(U256::max_value())*height - view
 		let new_difficulty = U256::from(U128::max_value())
-			+ consensus_view(parent).expect("Header has been verified; qed").into()
-			- self.view.load(AtomicOrdering::SeqCst).into();
+			+ consensus_view(parent).expect("Header has been verified; qed")
+			- self.view.load(AtomicOrdering::SeqCst);
 
 		header.set_difficulty(new_difficulty);
 	}