Added MaterialData for Dirt, Stone, and DoublePlant.
Trapped chests are also considered chests.
Fixed missing values for buttons on the top/bottom of a block.
added hay-MaterialData
changed lever: setFacingDirection takes notice of BluckFace.UP/DOWN now
added EnderPortalFrame-MaterialData
added deprecated javadocs, added toString() and clone()
formatting
fixed missing javadocs