Input preparation changes, 20m resolution now functional for SCIHUB. Updated some input and ouput scripts.

Fixed irrigation equations. Small readability and performance updates. Changes in input preparation.

Some fixes on the parcel mode, Aurade dataset almost done, pixel and parcel mode do not produce the same results. Other various improvements.

Some optimization improvements. Potential memory leaks to look at. Many improvements in the preprocessing scripts, almost finished the parcel mode. New scripts in the prostprocessing directory. Changes in the samir parameter handling.

Added more input preparation functions for parcel mode, started writing a global input preparation script. Reused script from modspa for config file.