Gnadenthal RCR v1.0.0.0

This is the RCR version of the map.   RowCrop Soybeans, RowCrop Wheat, RowCrop corn and RowCrop Barley have been added to the map.  The PF soil map has been also edited to be all SandyLoam due to PF and RCR for Wheat. Released with permission from Iron Thunder.