[PRD-1499] Assign keystone_ec2_url value
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
Merge remote-tracking branch 'origin/master' into ubuntu-3.2-WIP