Update CA certificates bundle to 20130906.
Update CA certificates bundle to 20130906.

http://www.ubuntu.com/usn/usn-2154-1/
https://gist.github.com/ab/9756531

MamunHoque/stripe-php,5outh/stripe-php,iFixit/stripe-php,matthewarkin/stripe-php,a-ankitpatel/stripe-php,Nayami/stripe-php,stripe/stripe-php