Create certificates for all components
Use the new combine_keycert feature of the certtool puppet module
to automatically create the ssl keyfiles containing the rsa private
key. Also add the $pubkeydir as a requirement for the certificat
generation.
Remove the dependency on mysql::server::service as this is automatically
fullfilled by the dependency on zarafa_dbhost.
refactoring: refactoring: move the zarafa component manifests to their own subdirectory.