Make emit 100% EventEmitter.emit compatible
Make emit 100% EventEmitter.emit compatible

According to https://nodejs.org/api/events.html#events_emitter_emit_eventname_args, emit should return a boolean: true if the event had listeners, false otherwise.
Also clarified some docs.
balderdashy/sails,rlugojr/sails,rlugojr/sails