ITECO: send power state

Signed-off-by: Ivan Kramarev <ivankramarev@gmail.com>
ITECO: notify create/delete instance and volume snapshots

Signed-off-by: Ivan Kramarev <ivankramarev@gmail.com>
ITECO: collect LBaaS vip/pool operations

Signed-off-by: Ivan Kramarev <ivankramarev@gmail.com>