Use keystone authentication with Glance

Previously glance was not using keystone for authentication.  This resulted
in --is-public true failing when doing image-create.

Co-Authored-By: Lars Stedman <(larsks@redhat.com)>

Change-Id: I54273115242ee169201643fe0ad559392650c883

docker/glance/glance-base/config-glance.sh

@@ -50,6 +50,11 @@ for cfg in /etc/glance/glance-api.conf /etc/glance/glance-registry.conf; do
         admin_password \
         "${GLANCE_KEYSTONE_PASSWORD}"
 
+    crudini --set $cfg \
+        paste_deploy \
+        flavor \
+        keystone
+
     crudini --set $cfg \
         database \
         connection \