Fixes #9884 - refresh deleted external usergroups

Fixes #9878 - refresh external usergroup on API manipulation

fixes #10087 - Pass nic_type to vm_clone

Fixes #10025 - move generic taxonomies code to base class

templates - sync from community-templates

Fixes #9947 - restrict user taxonomies if none is set

refs #4521 - extract string, fix capitalisation

Fixes #7615 - filter ignore current context

Fixes #4787 - prevent unneeded AJAX requests on popover clicks

refs #4521 - Openstack Compute Resource: Boot from Volume on new Host