Add nova local policies

Resolves: rhbz#1095869

Signed-off-by: Lon Hohberger <lhh@redhat.com>
Drop monitoring-plugins from build for now

It's better to use 'semanage' - helps avoid conflicts later
with base selinux-policy

Signed-off-by: Lon Hohberger <lhh@redhat.com>
Update comments in nova policy

Related: rhbz#1095869

Signed-off-by: Lon Hohberger <lhh@redhat.com>