Dir ceph/ moved from profile to resources; var cephvolume renamed in cephpool; manifest cephvolume.pp renamed in cephpool.pp; Related modifications due to the rename.

connectors.pp modified in order to be compliant with the modification of the iaas::role::endpoint::coordination variable in common.yaml

Descrizione delle modifiche fin qui fatte
- files/heat-keystone-setup-domain
-- fix dell'import di oslo.config
- manifests/profile/database-client.pp
-- classe per l'installazione del mysql-client in locale; in sostituzione della classe manifests/profile/database.pp
- manifests/profile/keystone.pp; manifests/resources/database.pp
-- modifiche al file keystone.conf

- Modifiche alle altre classi per staccare Rabbit-MQ, CEPH, Percona, HAproxy, keepalived dalla configurazione dell'infrastruttura.

Small fixes such as hiera.yaml link, variable renaming and Neutron missing class / wrong default password

Added Keystone, Glance, Cinder, Nova, Neutron API services & Added Galera/RabbitMQ to Load-Balancing.
(The commit is pretty big, sorry about that, I'm still bootstrapping the project)