Merge pull request #489 from aglarendil/master

FF do develop branch
Added pmanager in order to make partition snippet simple
[PRD-1499] Assign keystone_ec2_url value
Added replacement of '-' with '--' for vg and lv names
Tiny fixes according to comments
Added partition refresh before and after cleaning
remove obsolete debug in firewall module
Merge pull request #501 from Mirantis/prd1302

remove obsolete debug in firewall module
Merge pull request #498 from Mirantis/prd1499

[PRD-1499] Assign keystone_ec2_url value
changes in l23network docs
added losted call for init  L23Network

+ reformat
using  str2bool
fix rhsm register exit code
fix rhsm register exit code 2
move trap to after rhsm register
add rubygem json for rhel
add rubygem json for rhel
fix rhsm register erroring
Added manual drive geometry for grub installation
Merge pull request #496 from kozhukalov/pmanager

Added pmanager in order to make partition snippet simple