Allow -rpcconnect in bitoin.conf, Fixes #990
Allow -rpcconnect in bitoin.conf, Fixes #990

Although this option is not used by a node it must be allowed
because bitcoinCli also uses the same config file.

Make the option hidden from the help menu for node operators
because they won't be using it.

BitcoinUnlimited/BitcoinUnlimited,Justaphf/BitcoinUnlimited,Justaphf/BitcoinUnlimited,BitcoinUnlimited/BitcoinUnlimited,BitcoinUnlimited/BitcoinUnlimited,BitcoinUnlimited/BitcoinUnlimited,Justaphf/BitcoinUnlimited,BitcoinUnlimited/BitcoinUnlimited,Justaphf/BitcoinUnlimited,Justaphf/BitcoinUnlimited,Justaphf/BitcoinUnlimited,BitcoinUnlimited/BitcoinUnlimited