Deleted unused texture files

Deleted the texutre files from the previous version of Forge. These became
unused during the 1.5 update.
Changed access modifier of BlockPaintedWood

Changed from public to protected
Renamed texture files and created Crop block
Finished BlockCandelillaCrop growth code

Used wheat growth code and modified it to use the Candelilla id. Also
fully commented to explain the growth code for further tweaking for
balance.
Added a SideOnly(Side.CLIENT) that I forgot
Finished the BlockCandelillaCrop file!
Added wax item and finished crop development
Removed LISCENSE file for the time being