Minecraft 1.1 Beta Update

Players who played the game from Christmas Eve to Boxing Day received a Christmas themed cape!
Players who played during New Year's Eve received a purple cape with an 11 to celebrate the coming year!
Fixed frame rate drops in single player.
Fixed players getting spammed with data then getting disconnected in multiplayer.
Fixed an item duplication bug in multiplayer.
Fixed "fancy" characters not working in the game by detaching font resources from the code.

Blocks:
Leaves: Rewrote leaf decay.