Add ability to remotely reboot snom phones. Also cleaned up and

reorganized sip_notify.conf.sample a bit as well.  Tested snom
reboot on snom 360 and verified snom-check-cfg worked as well.

(closes issue #13601)
Reported by: mjc
Tested by: seanbright


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@146312 65c4cc65-6c06-0410-ace0-fbb531ad65f3