Add "Breaking" flag to video assets

This is a feature request to add the Breaking flag to video assets. 

1.WHAT PROBLEM DOES THIS SOLVE:  this allows us to use a LIVE VIDEO ASSET as a breaking news item on our site.  It provides easy access to one or multiple live streams in the case of breaking news.

2. HOW OFTEN WOULD WE USE IT: Often. Sometimes multiple times a day

3. HOW MANY PEOPLE IN OUR ORGANIZATION WOULD USE IT: All content publishers

As broadcasters, our life blood and competitive advantage is video. The easier we can streamline the process for our viewers, the better for everyone.