FRIDAY >> Start the night off right at the DCist Happy Hour at 51st State. We’ll all be there to celebrate our nation’s veterans in the traditional manner: by drinking heavily. >> Who doesn’t love a DJ who posts iPod playlists on the Internet so you can recreate a great night of dancing anytime, anywhere (especially when those playlists include choice selections like Kaiser Chiefs, The Rapture and James White and the Blacks)? Come celebrate…