Fixes Kount fraud detection when using Card field
Fixes Kount fraud detection when using Card field

- Form detection had assumed presence of the number field. This opens form detection to all hosted field types

Signed-off-by: Christopher Rogers <551f4eee005e3e519560e2feb8988249d292c73e@gmail.com>

recurly/recurly-js,recurly/recurly-js,recurly/recurly-js