PHP-Nuke 8.1 Final

Settings administration module has been 100% re-writted and totaly changed and reorganized
- Added feature to let administrators choice if users can change themes or not (Administration -> Settings -> Themes)
- Added feature to select the display of the referers list in abridged or unabridged modes
- Graphic Security Check configuration is now in Administration -> Preferences -> General section (removed from config.php)
- WYSIWYG Editor configuration is now in Administration -> Preferences -> General section (removed from config.php)
- Configuration of $display_errors to show PHP error messages is now in Administration -> Preferences -> General section (removed from config.php)
- Fixed a bug on Topics module that didn’t show the right content after click on “more” link and news category link (Thanks to Michael Judah from http://ComPilots.com)
- Fixed a bug in user edit function when admin try to change user’s avatar (Thanks to l4wy3r)
- Added variables filter check in banners administration (Thanks to Omid omid@hackers.ir)
- Added variables filter check in modules administration (Thanks to Omid omid@hackers.ir)
- Added variables filter check in Reviews module (Thanks to Omid omid@hackers.ir)
- Added variables filter check in Web Links module (Thanks to Omid omid@hackers.ir)
- Added AutoThemes module (free GPL edition) from http://www.spidean.com to install and control Auto Themes
- Fixed potential SQL injection in referers system
- Fixed user avatar image information when administrator creates a new user
- Fixed little bugs and reorganized DelQuotes() function in mainfile.php (Thanks to Aurican)
- Added some extra checks in mainfile.php needed by Forums (BBtoNuke) module (Thanks to chatserv from http://nukeresources.com)