Fix Generic Video onebox autoplay

Fix
automatic autoplay for generic videos mp4

Remove 
justin.tv, site no longer operating 

Add Source to original share on top of video & title
![image](https://cloud.githubusercontent.com/assets/8693091/4522654/5a7ee1c2-4d2c-11e4-8529-950a9f936a67.png)
![image](https://cloud.githubusercontent.com/assets/8693091/4522640/1d4a4daa-4d2c-11e4-90c8-3afa17246ea0.png)