templates - sync from community-templates

fixes #5450 - add realm to params for 1.4-compatible use in templates

fixes #5132 hang when provisioning on ovirt 3.4

fixes #5470 vm state doesn't load on show page after redirect from new host

fixes #5453 - ensure all VMware compute attribute keys are symbolized

fixes #5444 - add param_false? host method and allow in templates

fixes #5436 - provisioning templates are world accessible

fixes #4599 - DNS and DHCP records for BMC and managed interfaces not using FQDN

fixes #5106: only puppet and puppet-ca proxies are now being shown on the 'new host' page

fixes #4380 [vSphere] allow selection of guest OS