Also Move the gas limit into the transaction queue from the miner.

Updating WS-RS server

- Optional limit for the amount of gas transactions may have;
- option to restruct transactions returned/queried to only those
which have been executed.

Updated to latest hyper with patched mio

Removing Miner::default.

Conflicts:
	ethcore/src/miner/miner.rs
	parity/main.rs

Requires --author to be set before mining is allowed to happen.

Revert the rescuedao extradata.

Update Ubuntu-arm Dockerfile

Create Dockerfile ubuntu-aarch64

Create Dockerfile ubuntu-aarch64
[ci skip]

Update Ubuntu-arm Dockerfile
[ci skip]

Update CentOS Dockerfile

Update Ubuntu Dockerfile

Update Ubuntu-jit Dockerfile

Update Ubuntu-jit Dockerfile
[ci skip]

Update Ubuntu Dockerfile
[ci skip]

Update CentOS Dockerfile
[ci skip]

Update SF blocknumber to 1800000.

Signer enabled by default for UI

Remove experimental pruning options.