Update menulogo.png
Migrate to STL containers/algorithms.
Move l_get_all_craft_recipes to scriptapi_craft
Clean up Mapgen
fix typo invalid for loop end
Add cloud menu background by Krisi, configurable with the menu_clouds option.
Also add a menuheader, menusplash, menufooter_clouds, and allow HD menu footers.
And finally don't git-ignore textures/base/.
Remove 'tape and glue', update Credits tab
Liquid fine tuning
Optimize Mapgen::updateLighting(), add setLighting()