Ember - donation system, bans, loading screen & landing/index page

1. Revamped all the tables
2. they now use AJAX; no more refreshing when switching the page / banning a player / pardoning a player
3. SteamID / transaction ID search functionality
4. items per page dropdown
5. Changed the default team & loading screen card cover images to blurred versions of the profile images
6. Fixed a small error with the navigation bar
7. Minor code cleanups

XSS vulnerability fix. Thanks to Enzo for notifying about the issue.

1. Added a cache clearing tool to the dashboard
2. Added Steam API profile request caching
3. Added top & recent donator lists to the store page
4. Added avatars to the bans page
5. Slight visual improvements

1. Added a dashboard
2. Minor improvements

1. Added a Discord widget section
2. Added a setting for a slogan
3. Added hover animations for cards
4. Added more element appear animations
5. Added a confirmation dialog that appears when pardoning a player
6. Improved CSS load order
7. Tweaked navbar store links to only display when packages are available

1. PHP 5.6 compatibility
2. Page load speed optimizations

1. Light color scheme
2. Query caching for the Lua addon

1. Simplified the update process
2. Added a requirement check page
3. Added more icons

1. Added support for multiple currencies
2. Fixed an error with sessions that affected certain PHP configurations

1. Fixed loading screen layout for a specific resolution in Awesomium
2. Removed old debug print

1. Added a Minecraft server card & query
2. Made it possible to redeem multiple packages when connecting
3. Minor fixes

1. Custom ban management
2. Minor CSS improvements