ipop not creating the path for dhcp

git-svn-id: svn+ssh://svn.forge.objectweb.org/svnroot/contrail/trunk/conpaas@4415 ef35cc4a-2640-4bbf-98bc-65920db7d8ae
fixing some more bugs in controller

git-svn-id: svn+ssh://svn.forge.objectweb.org/svnroot/contrail/trunk/conpaas@4416 ef35cc4a-2640-4bbf-98bc-65920db7d8ae
conpaas.core.clouds.base: opennebula's ip addresses are in ip.ip_address


git-svn-id: svn+ssh://svn.forge.objectweb.org/svnroot/contrail/trunk/conpaas@4417 ef35cc4a-2640-4bbf-98bc-65920db7d8ae
conpaas.core.controller: catch specific exception in __wait_for_nodes


git-svn-id: svn+ssh://svn.forge.objectweb.org/svnroot/contrail/trunk/conpaas@4418 ef35cc4a-2640-4bbf-98bc-65920db7d8ae
Add DIRECTOR_URL to director.cfg.example


git-svn-id: svn+ssh://svn.forge.objectweb.org/svnroot/contrail/trunk/conpaas@4422 ef35cc4a-2640-4bbf-98bc-65920db7d8ae