Fix old client showing duplicated health bar on new server
Fix client not showing hearts and bubbles on connecting to old server
Fix server not remembering hud flags correctly
Map irrlicht log level to minetest. Allow write them to debug file.
Make print() NUL-safe
Add formspec toolkit and refactor mainmenu to use it
Fix crash on using cursor keys in client menu without selected server
Add support for non fixed size tabviews
Fix singleplayer dialogs missing game customization