updates UI to bootstrap v2

fixes #1333 -Destroy vs Delete inconsitent naming

Signed-off-by: Florian Koch <florian.koch1981@googlemail.com>

new UI for foreman

fixes #976 - hypervisor name can't contain "."

Fixes #920 - Add authorization to hypervisor, bookmarks, subnets, smart-proxy/autosign and puppetca

Signed-off-by: Paul Kelly <paul.ian.kelly@googlemail.com>

fixes #843 - show more virtual guests information

added html view for guests
moved common methods into the virt plugin

fixes #723 - Hypervisor details page

This also include basic functionality to power on/off guests

views cleanup and added more operatingsystems icons

fixes #427 - Ability to provision xen/kvm guests

this patch adds support to libvirt based hypervisors