ensure no extra white spaces are added to the provisioning templates editor

fixes #1738 Puppet Runtime charts look very messed up.

[refactor] - simple method to display ec2 instance name, instead of using tags everywhere

fixes #1765 - changing a conflicting IP address might lead to losing DNS or DHCP records

require_nfs_access method should not be a private method.

[UI] added meta tag headers to support tablet and phone display size correctly

basic openstack support

fixes #1752 - fixes clone from keeping internal data (such as vm external uuid).

[UI] don't fail the hosts show page if the host has no OS assigned.

fixes #1751 - ReportCommon#status fails on ruby 1.9