JSEP proposal

For your holiday reading pleasure, here is the initial version of the JSEP
proposal for moving the signaling state machine out of the browser and into
Javascript.

https://docs.google.com/a/google.com/document/d/1L_3SyFM4aeiOoWUOpVVw6anvp63gF6boiVWa9dQ_2AY/edit?hl=en_US


Right now this is in a Google doc, but I will be submitting it as an
Internet-Draft soon as well.

Please have a look and send comments, either in the doc, to the list, or
directly to me.

Happy Holidays,
--justin