logging.go
func (logger *Logger) Noticef(format string, a ...interface{}) {
	logger.log(NOTICE, format, a...)
}
func (logger *Logger) Noticef(format string, a ...interface{}) {
	logger.log(NOTICE, format, a...)
}
func ( logger * Logger ) Noticef ( format string , a ... interface { } ) { logger . log ( NOTICE , format , a ... ) }
// Noticef logs provided message with formatting in NOTICE level.
Noticef logs provided message with formatting in NOTICE level .