Merge pull request #20 from colinmollenhour/rebase

Various improvements and fixes
Merge pull request #21 from colinmollenhour/phone-fix

Fix phone number filter. noref
Added new configuration option for storing cards
Consuming the allow card saving configuration setting.
Merge pull request #22 from SecureSubmit/allow-card-saving

Allow card saving
Merge pull request #23 from colinmollenhour/https-fix

Same-Origin Policy error when loading token data
Merge remote branch 'securesubmit/master'
Filter all non-digit characters from postcode. noref