conpaas: rename CLOUDS config option to OTHER_CLOUDS


git-svn-id: svn://svn.forge.objectweb.org/svnroot/contrail/trunk/conpaas@4953 ef35cc4a-2640-4bbf-98bc-65920db7d8ae
conpaas-director: provide an example of multi-cloud configuration


git-svn-id: svn://svn.forge.objectweb.org/svnroot/contrail/trunk/conpaas@4954 ef35cc4a-2640-4bbf-98bc-65920db7d8ae