First release of lulcc-bph-spclim-extension code

This is the first release of lulcc-bph-spclim-extension code associated with the addendum to paper: Duveiller, G., Hooker, J. & Cescatti, A. A dataset mapping the potential biophysical effects of vegetation cover change. Sci Data 5, 180014 (2018). https://doi.org/10.1038/sdata.2018.14