The config options of the "nova.conf" section "libvirt" got
moved to the new central location "nova/conf/libvirt.py".
This is the last patch in a long-chain patchs.
The next chain of patch-set will focus on improve libvirt
help texts.
Change-Id: Ieaa9092dcb53c405b60ff4f4c9ea68f8d90e8435
Co-Authored-by: Markus Zoeller <mzoeller@de.ibm.com>
Implements: blueprint centralize-config-options-newton