I am honestly shocked about all the griping over the series finale of “Battlestar Galactica.” Really, I’m shocked. When “Star Trek: Voyager” ended, fans were mad because it seemed the writers were more interested in giving us action and adventure to end the series, and not much character wrap-up. In fact, the return to Earth lasted all of what, 60 seconds? “The 4400″ seemed to end on a cliffhanger of sorts, as did “Carnivale.” And people still complain about “The Sopranos” ending, but that’s not entirely science-fiction there. But yet, after all that, with Ronald D. Moore and others listening to the cries of fans in the past, those very fans have turned around and told the “Battlestar Galactica” producers, “Just kidding! We liked the old endings better!” Of all the finales for …