EEMC Pi0's DNP 2013 talk

Perhaps a little long - as I rehearse it I'll figure out how much to leave unmentioned, or whether I'm better off literally removing a piece or two.

Proper subscripts and superscripts, and greek fonts, are yet to be added (but will be).

v0.3 was posted for STAR spin review.

v0.4 was revised based on comments from the Spin PWG.