Add translation for main menu
Add engine.gettext() and remove gettext() calls in guiFormspecMenu.cpp
Fix trailing nils being dropped by deprecated minetest.env handler
Reenable image scaling in formspecs
GUIFormSpecMenu focus fixes
World config dialog: Use engine determined path for game mods
Allow SIGINT to kill mainmenu again
Fix gettext for tabs (windows)
Fix umlauts/special character issue in lua gettext
Translated using Weblate (Ukrainian)
Translated using Weblate (French)
Translated using Weblate (French)
Translated using Weblate (Russian)
Translated using Weblate (Dutch)
Translated using Weblate (Hungarian)
Translated using Weblate (Dutch)
Translated using Weblate (Estonian)
Translated using Weblate (Norwegian Bokmål)
Translated using Weblate (Russian)
Translated using Weblate (Ukrainian)
Fix *.po errors caused by rebase.