[daala] V-Nova a new video codec 50% more efficient than hevc

[David ledin]

v-nova consortium a new video codec company appeared out
of nowhere and claim 50% more compression than hevc.

http://www.v-nova.com/en/index.html

http://www.bbc.com/news/technology-32140732

http://www.hds.com/assets/pdf/p-link-low-latency-video-gateways.pdf