Merge pull request #3695
b5ad5e7 Add Python test for -rpcbind and -rpcallowip (Wladimir J. van der Laan)
f923c07 Support IPv6 lookup in bitcoin-cli even when IPv6 only bound on localhost (Wladimir J. van der Laan)
deb3572 Add -rpcbind option to allow binding RPC port on a specific interface (Wladimir J. van der Laan)