Reduce unit test times for glance

The class TestGlanceApiServers did not inherit
test.NoDBTestCase.

Change-Id: Ieafe300d793685f5b146999383695733eba3da19
Remove api reference section in devref

This previously just linked to api/autoindex which was removed in
I6c93f9aae1994961fdca690742398a0d540d541f (in 2011).

Change-Id: Iba86a5b84743fe6d65b797a2e9237d037c2bf1a8
Add index for reservations on (deleted, expire)

the query for expire_reservations currently does a full table scan.
This adds an index so frequent invocations of expire does not bog
down the database.

Change-Id: I82c6064159d7bfa7f4dc7fca5a7c9bc52b0f07fb
Resolves-bug: 1348720
libvirt: add support for guest NUMA topology in XML config

Add a libvirt config class for dealing with guest NUMA
topology settings under the <cpu> part of the schema.

Blueprint: virt-driver-numa-placement
Change-Id: Ia928fb5b91e8dbf5bbaf255e9ace2b84fe49b187
Merge "libvirt: add support for guest NUMA topology in XML config"
Merge "Remove api reference section in devref"
Merge "Reduce unit test times for glance"
Merge "Add index for reservations on (deleted, expire)"