Vine co-founders Rus Yusupov and Colin Kroll have released Hype, a new social video app that allows users to broadcast live interactive video. Followers can be notified instantly when a broadcast begins, and can comment and interact with the broadcast, and users can add photos, videos, music, and animations to spice up their videos. A replay feature allows users to make their broadcasts available for later viewing, and Hype broadcasts can be easily…