Merge commit: Revert "Changed location of Config directory; using SDL_GetPrefPath"

This reverts commit 54ef91df3f20ad2d42f3d15225a854a217155740.
Merge commit: Revert "SDL2 video: Resize window back to normal after fullscreen"

This reverts commit 3463ecfceef748fc83dc7444bdff32fc1d6edca8.