Replace string concatenations with template literals (#2674)
Replace string concatenations with template literals (#2674)


msimerson/Haraka,msimerson/Haraka,haraka/Haraka,smfreegard/Haraka,msimerson/Haraka,haraka/Haraka,smfreegard/Haraka,msimerson/Haraka,haraka/Haraka,smfreegard/Haraka,smfreegard/Haraka,haraka/Haraka