Missing return for #737

Enact block with uncles test

Fix outdated libc version on dependency

Fixing possible race in transaction queue

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