Data covariates preparation, slight modifications and updates

GAM Fusion fusion initial reorganization of code to reduce time and predict for Venezuela

GAM fusion function, modifications for first fusion prediction in Venezuela

GAM fusion raster prediction, further modificationfor Venzuela tmax interp

GAM fusion function first change to adapt code for any region

GAM Fusion, Venzuela tmax interp, modification to make code more general

Data preparation Venezuela, added monthly query from Postgres station database

Venezuela preparation of data for tmax prediction

LST climatology, added tile loop, downloading and calculation of climatology for 6 tiles in Venezuela

LST climatology, added loop to produce monhtly mean and write out tif from GRASS database