Openstack images should show foreman defined images

at least for now as long as we don't support remote
fetching of images

basic openstack support

refs #1589, ensure that vmware public key is automaticilly imported when testing connection

Since ssh script now runs post commit, we can not update any attributes within the save method

fixes #1667 - restrcutre fog extensions code

fixed ui for adding and removing ovirt volumes.
when creating a vm from template, if there was an error in the
form. the vm volumes didnot display correctly.
adding and removing volumes in the same submit action did not function well too.

adds ec2 provisioning support fixes #1223

- added progress bar for instance creation
- minor fixes for certname based deployments
- added ssh provisioning support to orchestartion, which utilize finish
scripts by default
- added images support (part of the vm compute tab)...

refs #1589 - Remove hardcoded vmware vsphere_expected_pubkey_hash

Now, users will create a ~/.fog file containing:

=begin
:default:
:vsphere_expected_pubkey_hash: HASH_VALUE
=end

Fog will use this file when contacting vsphere to validate the ssl cert....

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....