Updated the description for model 3
Updated weight.csv
Added models 1 and 2. Removed model 5.
Deleted model2.R because Vina is not MLR
Updated w
Deleted pdbbind2007-refined-yxi.csv, which can be generated by concatenating pdbbind2007-core-yxi.csv and pdbbind2007-refined-core-yxi.csv
Deleted pdbbind2007-refined-core-iyp.csv
Used 1 as the weight for Nrot