Update CraftBukkit to 1.6.1
Fixed NPE in BrewingStand
Rework max health values. Fixes BUKKIT-4398
Fix Entity persistence. Fixes BUKKIT-4397

Missed diff.
Regrow sheep wool on grass consumption. Resolves BUKKIT-4405
Fix world preparation status output. Fixes BUKKIT-4407
Send event-defined MOTD/maxplayers. Fixes BUKKIT-4409

Also, revert to previous CraftBukkit functionality
Update client on cancelled leash. Fixes BUKKIT-4395
Update client on cancelled entity naming. Fixes BUKKIT-4396
Added EntityHorse for diff visibility.
Fix donkey/mule dupe exploit.
Minecraft spec has changed and we're required to follow. We now build with Java 6.
Fix scaling for player health. Fixes BUKKIT-4431
Properly clear attributes on remove and death. Fixes BUKKIT-4416
Improve maps.yml. Fixes BUKKIT-4419

Additionally fixed Minecart's interface to map INVALID methods.
Removed extra eat call. Fixes BUKKIT-4462
Spigot
EMC POM changes
Misc EMC Changes

Only spawn 1 ocelot ever from eggs.
Load custom permissions before plugins
Unload plugins after everything else
Remove CraftBukkit "Feature" of ItemStack's having infinite use if less than 0 stack size.
Color name tags to match list
Make Durability enchant scale 0-80% reduction on Armor damage (up to level 5)
Zombies break down doors on normal
Update inventory on block place/interact cancellation
Mob Spawning Events

Add 2 events for better control of mob spawning (Natural and Spawners) This allows us a much more powerful control over spawning and improve performance