Now that we have a registry of all extra specs known by stock nova, we
can start documenting these. We choose the configuration guide to do
this since configuration of flavor extra specs is traditionally an
admin-only operation.
Part of blueprint flavor-extra-spec-validators
Change-Id: I5ad6576e0d31a29822d1c7b47751ea81828630cf
Signed-off-by: Stephen Finucane <sfinucan@redhat.com>
63e30e022d