Bukkit

• Add support for /websandbox command permissions, off by default and now requires op, or checks permission node (GH-52)
• Add initial support for customizing textures (GH-56), see readme for details on support limitations
• Add sponge block (satoshinm/NetCraft#147)

Update to NetCraft build 389:

• Add support for loading server-provided textures (satoshinm/NetCraft#145)
• Add scrollable chat console, use arrow keys up/down while typing to view history (satoshinm/NetCraft#83)
• Fix many compiler warnings (satoshinm/NetCraft#141)
• Fix cloud hardness indestructibility (satoshinm/NetCraft#133)