[1.6.x] Added missing items to 1.6.2 release notes.
[1.6.x] Added missing items to 1.6.2 release notes.

Backport of 2cbe1e28fb from master

django-nonrel/django,django-nonrel/django,redhat-openstack/django,felixjimenez/django,redhat-openstack/django,django-nonrel/django,redhat-openstack/django,dex4er/django,django-nonrel/django,felixjimenez/django,dex4er/django,redhat-openstack/django,dex4er/django,felixjimenez/django,felixjimenez/django