Prometheus - Donation and payment store

Changelog

1. Fixed upgradeable packages
2. Added a source code button under tools -> source code to the editor
3. Fixed a few other undefined variable warnings

Modified files

Web

1. inc/functions.php
2. inc/classes/verification.class.php
3. compiled/css/site.css
4. compiled/js/essential.js
5. compiled/js/site.js
6. inc/footer.php
7. ipnlistener.php
8. admin/gen/paypal.php
9. admin/gen/stripe.php