Update ItemNames.java

Double Slabs item form are being removed.

Added Wet Sponge

Trapdoor is now known as 'Wooden Trapdoor'
Added some 1.8 item types.

Double Slabs item form are being removed.
Added Wet Sponge
Trapdoor is now known as 'Wooden Trapdoor'
Other 1.8 item names.
Added more item data support
Reverted double slab removal change
Merge pull request #16 from DoctorDark/master

Data support / 1.8 item types
Added support for Coloured Leather Armour.
Fix indentation
Indentation fixed again ,-,
Extra item types
EconomyCost ctor now auto-inits the Vault economy provider
Update ItemNames.java
1.8 Rabbit ID Updates
Merge pull request #18 from DoctorDark/master

Colour / 1.8 Updates
Add support for NMS v1_7_R4 (CB 1.7.10-R0.1)
Merge branch 'master' of github.com:desht/dhutils
Fixed missing import
Reference v1_7_R4 from NMSHelper