* This should make it easier to identify and find actions/conditions. Categories give more clarity and icons help to identify what's available without reading everything.
* Fix FileSystem::ExecutablePath description
* Add FileSystem::ExecutableFolderPath expression to get the path to the folder where the game executable is located.
* Add expressions FileSystem::DirectoryName, FileSystem::FileName and FileSystem::ExtensionName to extract part of a path.
* Fix FileSystem::UserHomePath expression not working
* Upgrade to Flow 0.92 and make fixes for it
* Convert all extensions to use _("...") instead of t("...") for translations,
to be able to be parsed by gettext
* Handle translation in JS extensions
* Move Providers out of MainFrame
* Remove i18next
* Adapt ExtractTranslations script to handle js files (for extensions)