migrate to new mbc-common.pubsub object

Signed-off-by: Tomas Neme <lacrymology@gmail.com>
backboneio backend for mostoStatus

Signed-off-by: Tomas Neme <lacrymology@gmail.com>
pubsub subscription for mostoStatus channel

Signed-off-by: Tomas Neme <lacrymology@gmail.com>
store status in database

Signed-off-by: Tomas Neme <lacrymology@gmail.com>