Merge pull request #631 from Cybermaxke/master

Added missing entity protocol.
Move basic ChannelBufferUtils to SpoutAPI

Signed-off-by: Jack Huey kitskub@gmail.com
Vanilla needs a special read/write Parameter

Signed-off-by: Jack Huey kitskub@gmail.com
Minecraft's read/write String is ALSO not the same

Signed-off-by: Jack Huey kitskub@gmail.com
Fix NPE when interacting with no heldItem

Signed-off-by: Jack Huey kitskub@gmail.com
Update for API changes

Signed-off-by: Jack Huey kitskub@gmail.com