Update sphere demo page.
Update sphere demo page.

Alexx-G/openface,francisleunggie/openface,xinfang/face-recognize,nmabhi/Webface,nmabhi/Webface,cmusatyalab/openface,Alexx-G/openface,francisleunggie/openface,Alexx-G/openface,Alexx-G/openface,nmabhi/Webface,francisleunggie/openface,xinfang/face-recognize,xinfang/face-recognize,cmusatyalab/openface,nmabhi/Webface,cmusatyalab/openface