Minor wording tweaks to project summary from Danny.
Edits from Carilli 9/11/13 9:02a email.  Some are TBD comments in XXX
Comments from Aguirre, 9/11/13 10:08a, some TBD.
Comments from Liu 9/11/13 10:47a.  Some TBD.
Edits from Morales 9/11/13 1:24p.  Some TBD, as usual
Update of Fig1a from Bowman.
Updates from Morales & Carilli, EoB 9/11/13.
Update with wider wedge fig from Pober
Updates of a couple figs, refactoring of intro/science justification.
More proj description edits.  gonna send this one out for thurs discusion.