* Introduce whitelist for softfork

* Use extradata for fork id.

* Fix condition.

* Minor sync fixes

* Fixed session count sub

* handle NewBlock when downloading

* Accept new blocks right away

* block collection update fixed

* Removing old transactions

* Explanation comment [ci skip]

Install trigger for DAO-rescue soft-fork.

Rocksdb flush/compact limit

CentOS Dockerfile

Dockerfile to build parity for CentOS

RPC method to return number of unconfirmed transactions...

bump jsonrpc-http-server

Fix lock order when updating sealing

Conflicts:
	rpc/src/v1/tests/mocked/ethcore.rs

* importing presale wallet in progress

* PresaleWallet data structure

* make default 100mb file size

* update again

* fix type

* little less extreme file sizes

* reserved peers: lock them, use a hashset, and provide to networkcontext

* adding and removing reserved peer service API

* add NonReservedPeerMode, and setters in host

* setting non reserved mode, restriction accepted connections

* implement RPC apis

* fix deadlock

* fix rpc tests

fixed migration of empty pruning dir

Transaction processing queue

Fixing last nonce values in case transaction is replaced

docopt is an optional dependency of ethkey and ethstore

Fixing clippy warnings