Add send message support to a forked child process
Add send message support to a forked child process

The ability to send messages to child processes is handy, and this simply wraps http://nodejs.org/api/child_process.html#child_process_child_send_message_sendhandle

This PR is for issue #17

ggoodman/forever-monitor,diogogmt/forever-monitor,rbramwell/forever-monitor,foreverjs/forever-monitor,ZhouHengYi/forever-monitor