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
Add caching mode; cache=none breaks qemu-1.2 and 0.12 in RH derivatives
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
proper place
fixed biosgrub on ubuntu
Merge pull request #660 from kozhukalov/ubuntu-disks-biosgrub

fixed biosgrub on ubuntu
Enable gzip in Nginx for Nailgun 'text/plain' and 'application/json' content types
Move openstack cirros image upload to Astute
Undo murano rabbit changes
Merge pull request #664 from dmitryilyin/rabbit_undo

Undo murano rabbit changes
losted quotas
lost parameter
Quantum fixes:

* network_vlan_ranges string
* bridge mappings
* unhardcore rabbitmq default password