Sync fixed again

Don't change best block until extras is committed.

stable only until travis speedup

Optimizing uint operations (architecture independent)

Conflicts:
	test.sh
	util/bigint/src/uint.rs

Add RLP, not a data item.

PV63 receipts response

another batch of rpc tests

dockerfiles update

Conflicts:
	ethcore/src/client/client.rs

Lock reports to avoid out of order badness.

Fixed handshake leak

Allow configuration of target gas limit.

Version 1.1 in master

Silence UDP warnings

Conflicts:
	ethcore/src/client/test_client.rs

Rpc personal tests

Fixing warnings

docopts cleanups