Merge pull request #81 from orta/new_user

@ashfurrow => Retain state between VCs  in a single object on the Nav
Merge pull request #82 from orta/more_state

@ashfurrow => support entering emails in bid fulfillment
Fixes subtle problem with RAC binding.
Merge pull request #83 from AshFurrow/rac-fix

@orta => Fixes subtle problem with RAC binding.
Made sale artwork estimates more robust.
Merge pull request #84 from AshFurrow/estimates

@orta => Made sale artwork estimates more robust.
Merge pull request #85 from orta/more_state

@ashfurrow => test fixings
deployment