* Display information on journal database on startup.

* Minor restyling.

* Client handles the enode message to avoid repeats.

* Avoid unneeded copies *and* reduce code.

* Fix up typo.

Fixes Issue #1372

Remove soft-fork stuff.

fix codegen warning

* partially done alternate migration scheme

* finish altering migration framework

* migrate tests to new migration framework

* address comments

* remove superfluous newline
[ci skip]

* TempIdx -> TempIndex
[ci skip]

* Refactoring dapps to support API endpoints.

* Using ContentHandler for unauthorized requests

* 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

mention wiki in README

[ci skip]

* Changing some logging levels

* Skipping invalid nonce errors

* Command=line options.

* Keep alive for the eth protocol.

* Wire up final pieces.

* No network when dark.

* Passive and dark mode work.

* Ensure all RPCs keep alive.

* Fix tests.

* Fix minor bug.

* Minor whitespace.

* Split out some of the sleep-state.

* Fix help text.

* removed old json-tests

* simplify folds in triehash.rs

* removed unused json_aid

* removed unused squeeze.rs

* json branching tests for trie

* loading trie consensus tests

* Spliting gasometer out of interpreter

* Choosing right gas calculations implementation based on supplied gas

* Moving verification out of gasometer

* MemGasCost benchmark.

Conflicts:
	ethcore/src/evm/benches/mod.rs

* Some simple benchmarks

* Benchmark for simple loop

* Calculating gas_for_memory only when it's actually needed

* Removing superfluous newline [ci skip]

add owning NibbleVec

Attempt to fix blochchain/extras DBs sync

Client API refactoring - limiting errors to crate-level error types