admin - bug fixes

_gaq code in checkout was breaking order create in admin.
input formatting in anydelegate needed some regex's fixed and a logic
adjustment for alphanumeric and numeric (numeric format was being
matched on alphanumeric).
order create - bug fixes and enhancements

adding item to cart didn't always use the correct cart id (either using
chooser or directly).
moved non-admin related code into a block that doesn't get executed in
admin.
made sure the removeCartFromSession code is working properly here.
cleaned up the cart list dropdown in orders so 'undefined' doesn't show
up if no bill name present.
removed some debug.