SSH connection wrapper. One step ssh (tcp) connection.
The main purpose is to provide support for github.com/jaredwarren/db
TODO: add support for password, right now ssh key is required
c := &ssh.Conn {
Host: "123.123.123.123",
Port: 22,
User: "root",
Key: "~/.ssh/id_rsa",
}
sshc := c.Connect()