I’ve heard rumblings and rumors of the Sam Mendes-directed (“American Beauty,” “Road to Perdition” and “Revolutionary Road”) “Away We Go” making some critics go bonkers with joy and others thumb their noses at how hard the movie tries to be quirky and comically edgy. I have no opinion, whereas I haven’t seen the movie yet (I hope to catch a screening next week), but judging from the trailer, I’d say it looks right up my alley. Plus, the movie heralds …