conpaas: added example to OpenNebula OCCI server URL.
conpaas: added example to OpenNebula OCCI server URL.

ConPaaS-team/conpaas,ConPaaS-team/conpaas,ConPaaS-team/conpaas,ConPaaS-team/conpaas,ConPaaS-team/conpaas,ConPaaS-team/conpaas,ConPaaS-team/conpaas