fix mcollective autostart
Merge pull request #656 from Mirantis/mcollective-autostart

fix mcollective autostart
TYPO: tabs to spaces, indentication, etc...
remove and change unused variables
FIX: quantum in simple
FIX: duplicate variables
fix quantum database vars undefined
Merge pull request #655 from xenolog/PRD-2017

FIX: quantum in simple
fixed removing old pvs
fixed umount and mount /proc and /sys
Merge pull request #659 from kozhukalov/ubuntu-disks-nova-fix

fixed removing old pvs
fixed biosgrub on ubuntu
Merge pull request #660 from kozhukalov/ubuntu-disks-biosgrub

fixed biosgrub on ubuntu