Prometheus - Donation and payment store

Changelog

1. Fixed dashboard graphs
2. Fixed graphs on profiles
3. Added indexes to highly used database tables to speed up querying drastically on certain expensive operations (Thanks to TMafono.xyz for reminding me I never did this in Prometheus)
4. Fix a small CSS bug in the admin dashboard regarding the Dashboard menu link

Modified files

Web

1. inc/classes/dashboard.class.php
2. inc/classes/update.class.php
3. inc/functions.php
4. pages/admin/dashboard.php
5. pages/admin/users/profile.php
6. install/sql.php
7. profile.php