serde is no longer util dependency (#1534)

* removed old json-tests

* simplify folds in triehash.rs

* removed unused json_aid

* removed unused squeeze.rs

* json branching tests for trie

* removing todos from util

* separated UsingQueue and Table

* further cleanup, removing unused code

* serde serialization of hash moved to rpc module

* uint wrapper for rpc in progress

* serialization of uint moved to rpc module

* updated eth-secp256k1

* updated igd, serde is no longer dependency of util

* loading trie consensus tests

* renamed aliases in rpc imports

rpc/src/v1/tests/eth.rs

@@ -34,6 +34,7 @@ use util::{U256, H256, Uint};
 use jsonrpc_core::IoHandler;
 use ethjson::blockchain::BlockChain;
 
+use v1::types::U256 as NU256;
 use v1::traits::eth::{Eth, EthSigning};
 use v1::impls::{EthClient, EthSigningUnsafeClient};
 use v1::tests::helpers::{TestSyncProvider, Config};
@@ -330,7 +331,7 @@ fn verify_transaction_counts(name: String, chain: BlockChain) {
 			"jsonrpc": "2.0",
 			"method": "eth_getBlockTransactionCountByNumber",
 			"params": [
-				"#.to_owned() + &::serde_json::to_string(&U256::from(num)).unwrap() + r#"
+				"#.to_owned() + &::serde_json::to_string(&NU256::from(num)).unwrap() + r#"
 			],
 			"id": "# + format!("{}", *id).as_ref() + r#"
 		}"#;

rpc/src/v1/tests/mocked/personal_signer.rs

@@ -23,9 +23,7 @@ use ethcore::client::TestBlockChainClient;
 use ethcore::transaction::{Transaction, Action};
 use v1::{SignerClient, PersonalSigner};
 use v1::tests::helpers::TestMinerService;
-use v1::helpers::{SigningQueue, ConfirmationsQueue};
-use v1::types::TransactionRequest;
-
+use v1::helpers::{SigningQueue, ConfirmationsQueue, TransactionRequest};
 
 struct PersonalSignerTester {
 	queue: Arc<ConfirmationsQueue>,