Fix regression dirt texture not beeing default in non cloud menu
Fix regression main_menu_script setting not working any longer
Unite nodes shaders.
Pass drawtype and material type to shaders.
Move shaders generation to startup only.
Allow assign shaders per tile.
Initial code to support water surface shader.
Minor stability improvements in block emerge handling
L-systems treegen code tweaks.
Improved faces shading with and without shaders.
Fix issue #1275 - wielded index greater than inv size.
Remove not really used guiTextInputMenu
Make dropdown formspec elements send their value same style as buttons on change