KAZOO-936: update views with new doc formats
KAZOO-936: update sending stats from acdc_agent_fsm
KAZOO-936: update stat update calls
KAZOO-936: query for status stats
KAZOO-936: update setting and getting agent status
KAZOO-936: query api for status, generic status update publisher/api
KAZOO-936: update callflow to use new statuses
KAZOO-936: update specs and returns to match expected
KAZOO-936: add most_recent view to acdc db
KAZOO-936: add agent_statuses/1 to get all statuses for an account
KAZOO-936: update crossbar to fetch agent stats and statuses