remove dead code.
Clean up the promotion code pager.

Moving it outside the SwatFrom allows it to be automagically processed.
Just return the PromoPromotionCodeWrapper - less code, same tasty goodness
Remove html from translatable strings.
newline cleanup
Merge pull request #6 from isaacgrant/initial-package

Initial setup of the Promo package.
Update admin editors to use new AdminObjectEdit page.