Fix heart + bubble bar size on different texture packs
Add DPI support for statbar
Move heart+bubble bar to Lua HUD
Add statbar size (based upon an idea by blue42u)
Add support for customizing breath and statbar
Add a limit to node meta data resolving recursion
Add write_json() to the async API
Organize builtin into subdirectories
Use "core" namespace internally
Fix healthbar not beeing hidden on disabled damage
Fix possible deadlock in error conditions
Fix error messages beeing shown on pressing cursor keys in various menus
Fix incorrect scaling of customized hud item selection marker
Split declaration of GenericCAO from implementation
Add support for interlaced polarized 3d screens
Add (experimental) support for topbottom as well as sidebyside 3d mode