update items.csv to minecraft 1.5

dont pull till 1.5 bukkit devbuild
add 1.5 new slab blocks
add armor aliases since new leather names
[fix] trying to AFK others should work now
Merge pull request #383 from necrodoom/patch-73

[fix] trying to AFK others should work now
Merge pull request #342 from necrodoom/patch-60

[feature] update items.csv to minecraft 1.5
Initial 1.5 update
Merge pull request #387 from GunfighterJ/2.9

Initial 1.5 update
[Feature] Additional spawnable mob types
Merge pull request #388 from GunfighterJ/2.9

[Feature] Additional spawnable mob types
Fix missing /ci syntax update.
Check health is 0 after /suicide
We use tabs not spaces for indenting.
Fix Minecart class rename
Lets use consistent versions in the code base
Bukkit: 1700 CB: 2648
Fix potion effect errors
Import cleanup
Cleanup open inventories
Fix raw bukkit itemdb lookup
Update messages.properties
fix typos in new messages
Fixing TL edit error.