Description of inspector configuration options

Configuration option = Default value	Description
[DEFAULT]
hypervisor_inspector = libvirt	(StrOpt) Inspector to use for inspecting the hypervisor layer. Known inspectors are libvirt, hyperv, vmware, xenapi and powervm.
libvirt_type = kvm	(StrOpt) Libvirt domain type.
libvirt_uri =	(StrOpt) Override the default libvirt URI (which is dependent on libvirt_type).