Parrot has announced that its AR.Drone 2.0 Wi-Fi-enabled quadricopter will start shipping in the U.S. in May, with pre-orders opening soon. Debuted at the 2012 International CES, the AR.Drone 2.0 features a new 720p HD camera, a new piloting application that features the ability to record and share flight videos and a new piloting mode, a “Flip” feature, LEDs on the landing gear, two included hulls—one each for outdoor and indoor…