* Replace old palette system with a new one
* Replace default json palettes with new resource versions
* Add missing translation strings
* Fix Erevoid's issues 2, 3 and 4
* Rewrite palette grid to improve performance
Add middle click scrolling
* Fix index conversion functions
* Fix palettes editing by copying them to XDG user write path
* Add Windows specific fixes
* Add import support for old json palette format
* Add create/edit palette settings check.
Hide add/delete color buttons when no palette is displayed.
