Add ability to request info from viewers via whisper so that people who win contests and give-aways can provide a mailing address, etc

[calledtoconstruct]

Add ability to request info from viewers via whisper so that people who win contests and give-aways can provide a mailing address, etc

[Andrewnetwork]

Requires #22

[calledtoconstruct]

The information collected should be available in the interface (web/native).