cleanup util dependencies

removed redundant earlymergedb trace guards

UtilError utilizes error_chain!

Marek Kotewicz authored Sep 05, 2017 and Arkadiy Paronyan committed Sep 05, 2017

* fixed master

* Revert "Merge pull request #6370 from paritytech/light-poa"

This reverts commit 3c60f99d, reversing
changes made to b731ccea.

* Refactor and port CLI from Docopt to Clap (#2066)

* Add --can-restart and --force-direct to help

* Add flag support to subc & move import/export options to subcommand

* Reorder subcommand args (put positional args last in CLI help message)

* Add language selector in PRODUCTIN

* Fix wrong i18n keys

* Update the default i18n files

* eth_call returns output of contract creations

* Fix parameters order.

* Save outputs for light client as well.

Refactor: Don't reexport bigint from util

Added missing SecretStore tests - signing session

Light-client sync for contract-based PoA

# Conflicts:
#	dapps/src/tests/helpers/registrar.rs
#	ethcore/evm/src/interpreter/shared_cache.rs
#	ethcore/light/src/client/header_chain.rs
#	ethcore/light/src/client/mod.rs
#	ethcore/light/src/net/mod.rs
#	ethcore/light/src/on_demand/request.rs
#	ethcore/light/src/on_demand/tests.rs
#	ethcore/light/src/provider.rs
#	ethcore/node_filter/src/lib.rs
#	ethcore/src/block.rs
#	ethcore/src/blockchain/blockchain.rs
#	ethcore/src/client/test_client.rs
#	ethcore/src/engines/authority_round/mod.rs
#	ethcore/src/engines/basic_authority.rs
#	ethcore/src/engines/mod.rs
#	ethcore/src/engines/tendermint/mod.rs
#	ethcore/src/engines/validator_set/contract.rs
#	ethcore/src/engines/validator_set/multi.rs
#	ethcore/src/engines/validator_set/safe_contract.rs
#	ethcore/src/engines/vote_collector.rs
#	ethcore/src/miner/external.rs
#	ethcore/src/miner/miner.rs
#	ethcore/src/miner/service_transaction_checker.rs
#	ethcore/src/miner/work_notify.rs
#	ethcore/src/pod_account.rs
...