Description of configuration options for events

Configuration option = Default value	Description
[event]
definitions_cfg_file = event_definitions.yaml	(StrOpt) Configuration file for event definitions.
drop_unmatched_notifications = False	(BoolOpt) Drop notifications if no event definition matches. (Otherwise, we convert them with just the default traits)
[notification]
ack_on_event_error = True	(BoolOpt) Acknowledge message when event persistence fails.
store_events = False	(BoolOpt) Save event details.