updates UI to bootstrap v2

clean up login screen

fixes #1254 - initial support to pxeboot windows

added basic ovirt vm show page, minor fixes in compute resource level

fixes #1574 - ovirt - add remove and show volumes

• volume and interface ordering is now working
• removed include blank because it is a duplicate of the Blank ovirt-template.
• bootable is disabled when editing a vm, because currently I don't handle volume updates. just add and remove of a volume....

refs #1452 - fixed incorrect condition

refs #1452 - fixed incorrect condition

refs #1452 improved libvirt on debian handling

fixes #1452 use fog for libvirt management

This patch introduces a few new features:

• console support
• multiple disks
• multiple nics

first go at vmware integeration refs #955

this patch adds the ability to add a vmware compute resource, and display their console