Dolores Catania says she still doesn't know who is joining her, Teresa Giudice and Melissa Gorga on "The Real Housewives of New Jersey" ... but if they're half as good as those who are gone, it sounds like she'll be happy. We got the 'RHONJ' star Wednesday in New York City, and our photog asked her about the big cast shakeup ahead of season 15 of the Bravo series. Dolores tells us she's still in the dark on just who exactly is going to be filming alongside her ... which makes her excited and