version for bonsut

The version number for the classifications for bonsut (and bonsai) needs to be added. The version for the SUTs published in November is v2.0.0.

• rename file names: e.g tree_bonsut.csv -> tree_bonsut-v2.0.0
• rename file names: e.g tree_bonsai.csv -> tree_bonsai-v1.0.0 ?
• revise code if required