KAZOO-1539: formatting and remove raw numbers for macros with meaning
KAZOO-1539: update cb_context usage
KAZOO-1539: more cb_context usage
KAZOO-1539: waterfall some methods when fetching config
KAZOO-1539: ref F:M/A of config get
KAZOO-1539: spec updates, formatting
KAZOO-1539: update spec
KAZOO-1539: use the authz_default/3 again when failing authz lookup
KAZOO-1539: find the zone information
KAZOO-1539: dialyzer updates
KAZOO-1539: updated dialyzer