GRAPEVINE, TX -- When SilverEdge Systems President Maria Vedral takes her clients out on the town each year during the annual Deltek Insight conventions, it’s no low-energy, hob nob, suit-and-tie dinner. No, it’s a full-blown, let’s-get-together, have fun, and get-to-know-each-other-better affair that usually includes exotic drinks, great local chow, and some kind of unanticipated energy-sharing experience. Her past