JSON-RPC stop command.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Add simple_inject test script, update ignores.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Add --port option for a fixed port.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Address helper, and change prefix to make addresses P/q.

And fix the bitcoin address decode.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>