Adds jmri_ssh_authorized_keys_extra list to support multiple authorized keys on the jmri account. Deploys rblundon's MacBook key so xpra can connect via SSH without a password.
Adds jmri_ssh_authorized_keys_extra list to support multiple authorized keys on the jmri account. Deploys rblundon's MacBook key so xpra can connect via SSH without a password.