Make mapgen factory setup more elegant, add mapgen_v6.h
Fix compile under MingW
Slightly improved version of mystrtok_r
Dont call on_rightclick() if sneak is pressed
Add Spanish, Russian, Polish and Romanian languages.
Translated using Weblate (Russian)
Translated using Weblate (Spanish)
Translated using Weblate (Russian)
Translated using Weblate (Spanish)
Translated using Weblate (Spanish)
Merge pull request #441 from kwolekr/mapgen_factories

Make mapgen factory setup more elegant, add mapgen_v6.h
Merge pull request #442 from kwolekr/mingw_compile_fix

Fix compile under MingW
Translated using Weblate (Russian)
Translated using Weblate (Russian)
Translated using Weblate (Polish)
Translate key functions in key change menu
Translated using Weblate (Spanish)
Translated using Weblate (Spanish)
Translated using Weblate (Spanish)
Add Chinese Simplified & Portuguese.