Add inverted flag support to TrapDoor. Fixes BUKKIT-3390
Update Bukkit for Minecraft 1.5.2
Move world generator warning to CraftBukkit. Fixes BUKKIT-2565
Use in-game name
Copy output to shared library folder
Use platform specific line separator to save config files BUKKIT-2368
Allow arguments to be supplied with server command aliases; BUKKIT-3134
The server bukkit.yml aliases section will pass arguments supplied along
with appending arguments supplied on the command line at execution time.
Update snakeyaml to 1.12; Adds BUKKIT-48, BUKKIT-3896

http://code.google.com/p/snakeyaml/wiki/changes
Issue 66 "Provide serialization with minimum layout change" is fixed in
snakeyaml 1.11 and addresses BUKKIT-48.

This commit also introduces an improved error message when a TAB is
attempted to be used for indentation.