1.1.0: Restart Glance after upgrade

Since we have to restart RabbitMQ when upgrading from 1.0.0 to 1.1.0,
Glance stop to run because it does not support HA queues.

We need to restart Glance services from playbooks to have the image
service working after the upgrade process.

Signed-off-by: Emilien Macchi <emilien.macchi@enovance.com>