The second beta version of iOS 4.3 has been shown to offer further evidence of a camera-equipped iPad, as well as hints of a new cloud-based media sharing and syncing service, a new app, and Push Notifications for an existing service. Mac Rumors reports that the new beta includes an image of an iPad home screen with icons for FaceTime, Camera, and Photo Booth pictured, offering further evidence that the next iPad will include at least one camera.…