fixes #5441 - Add instance_type support to oVirt provider

Fixes #21624 - eslint update to airbnb-base

Replace existing custom rules with airbnb-base config.
Eventually we'll want to to move to the full airbnb config
with react and a11y.

http://projects.theforeman.org/issues/21624

Fixes #21556 - Template with no interface shows volumes

fixes #20652 - moved compute_resource js code to webpack

this creates a new namespace under tfm, tfm.computeResource
where relevant functions are expoed under the compute resource
namespace, for example:

tfm.computeResource.ovirt.termplateSelected function...