Local geezers could go on at great length about Necco Wafers, a candy invented hereabouts in the mid 1800s. Now the candy’s maker, the New England Confectionary Co. of Revere, wants its sweets to be equally esteemed by young consumers. So, following an ad agency review, the company selected the Noonan Creative Group of Framingham to design a website that might beguile a younger demographic of candy lovers and to alert them that Necco doesn’t just make its eponymous Wafers, but that its candy line-up also includes such classics as the vintage peanut-butter chew known as the Mary Jane, not...