removed puppet from Gem file requirement

this commit also tries to simplify the way we use bundler, in future commits,
we should add more logic of which gems to load based on configration file.

make sure foreman doesnt blow up when running without libvirt / virt gems

ensure facts importer works correctly also when importing from a report / rake task

ensures populate hosts rake task can run correctly

foremancli changes to support change in default host list API behavior.

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

Merge pull request #34 from tjikkun/develop

FIX suggestion of ip when subnet id is not the same as array index

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....

FIX suggestion of ip when subnet id is not the same as array index

minor ordering issue for nics/disks when creating libvirt instances, refs #1452