conpaas: migration for PHP service. First try.
conpaas: some comments.
conpaas: change migration parameter names.
conpaas: fixes in the PHP migration code.
conpaas: fix an error message.
conpaas: access http client module directly.
conpaas: add support to migration in command line client for Web services.
conpaas: give the correct version number to cps-tools.
conpaas: set new configuration before release the ADAPTING state back to RUNNING.
conpaas test: new script to test PHP service migration capability.
conpaas: display error when retrieving node info, the list of nodes may have changed between the list_nodes call and the individual get_node_info calls.