Dpms patch from ravenlock: adds a dialog to let user know that dpms is not available (if it is not).
Dpms patch from ravenlock: adds a dialog to let user know that dpms is not
available (if it is not).


git-svn-id: 0f3f1c46c6da7ffd142db61e503a7ff63af3a195@28689 7cbeb6ba-43b4-40fd-8cce-4c39aea84d33

jordemort/e17,jordemort/e17,jordemort/e17