Add url and view to resend an order complete email, accessible from admin, past orders and order complete pages.
Properly look up order in resend view
Fix line length errors for travis
Remove trailing whitespace (travis)
Don't rely on HTTP_REFERER, instead using a ?next query argument.
Handle the edge case where the next argument is not given by redirecting to either admin (if staff) or order history (user).
Fix field alignment in order admin.
Merge
Move permission checks for retreiving an order into OrderManager.get_for_user and make the order email re-send require a form post.