Change expiration_dt to expire_dt for renewed memberships and assign value to application_approved..
Move the copy down after the permission check.
Add corp. nav bar on the renewal.
Allow superuser automatically approves a paid membership.
Remove save_invoice from auto_update_paid_object - since the payment is paid, the invoice should already have been saved.
Remove set_renew_dt on join.
Save the changes.
Update auto_update_paid_object to git rid of the duplicates.