Update Bukkit: 1.5.2-R1.0-3-gdd74512 - CraftBukkit: 1.5.2-R1.0-17-g1c07781

Bukkit:

CraftBukkit:
1c07781 Removed extra eat call. Fixes BUKKIT-4462
Create CraftHorse Instance for EntityHorse

Handle creating instance of CraftHorse for EntityHorse instances and spawn()
Pulls Bukkit/CraftBukkit#1185
Properly Consume Bonemeal in Dispensers

Don't consume bonemeal if there is no crop in front. Fixes BUKKIT-3790
Pulls Bukkit/CraftBukkit#1172
Pull a series of CraftBukkit patches - see below for summary and credits:

Bukkit/CraftBukkit#1145 : @Zarius : Don't fire piston extend event twice
Bukkit/CraftBukkit#1174 : @millerkil : Prevent plugins causing ghost players
Bukkit/CraftBukkit#1177 : @jb-aero : Properly set ambient flag for potion effects
Add Type Safety checks for............. sanity....?
Revert Guava version from 14 to 10.0.1

- Resolves a few bugs that popped up recently with certain plugins.
- Moved Dependencies up in Libkit's pom.xml to be consistent with Libigot's pom.xml

Signed-off-by: Steven Downer <grinch@outlook.com>