Fix some issues with the newton release notes
Fix some issues with the newton release notes

Spotted while browsing [1]. Note that this file is static now since
change I983346c97df96fda988a2fefec89c3f0d6c14498.

[1] https://docs.openstack.org/releasenotes/nova/newton.html

Change-Id: Ib398520891e608faea98605b7240cdc9fcbf2ba2
Signed-off-by: Stephen Finucane <492121341a95b3c3aab646bed44634f739dd019b@redhat.com>

mahak/nova,mahak/nova,klmitch/nova,klmitch/nova,rahulunair/nova,openstack/nova,mahak/nova,openstack/nova,rahulunair/nova,openstack/nova,rahulunair/nova,klmitch/nova,klmitch/nova