Updated pm-utils scripts

40autorandr had issues when resuming on a system where
one or more users have multiple terminal sessions open.

enhanced 40autorandr to allow being called as 40auto-disper
to automatically swap to using auto-disper semantics
- turn off each display separately, because it's the only way to turn off LVDS and turn on HDMI+VGA combo
Some small fixes to the pm-utils script
Add a udev rules file for calling autorandr on monitor switch
Rename README -> README.md. Use markdown for README.md.
Make the README.md a bit cleaner.
Merge remote-tracking branch 'mahomahomaho/master'

* mahomahomaho/master:
  - turn off each display separately, because it's the only way to turn off LVDS and turn on HDMI+VGA combo
Merge remote-tracking branch 'helterscelter/master'

* helterscelter/master:
  Updated pm-utils scripts
Merge remote-tracking branch 'sudnam/master'

* sudnam/master:
  Add a udev rules file for calling autorandr on monitor switch
  Some small fixes to the pm-utils script

Conflicts:
	pm-utils/40autorandr
Merge remote-tracking branch 'mtahmed/master'

* mtahmed/master:
  Make the README.md a bit cleaner.
  Rename README -> README.md. Use markdown for README.md.