GoCardless subscription interface.
Form submission, data validation, error output.
Constructing the JSON payload.
Send user to GoCardless.
Confirm the payment!
No need for url/nonce any more.
Add GoCardless require.
Automatically increase payments by GoCardless fee.
Change recommended amount to 30 following discussion with Treasurer.
Modify default payment date following discussion with Treasurer.
Fix initial fee modification detection.
Count the days overdue.
Count the days differentiates warning/error output.
Fix 'must be tomorrow' issue.
Store GoCardless result to DB.
Better address guessing.
Remove some nags if you've set up a gocardless payment.
Fix GoCardless start date for users who're up to date.
Show nopay overdue duration to admins.
Merge branch 'gocardless' of github.com:so-make-it/members-area into gocardless