reading list of dir from files and clean up in assessment part3

assessment part3, adding tile and dates list from region assessment

initial commit, assessment part3 to combine all outputs

fixing issues related to shapefiles

adding figures 8 related to summary of accuracy

figures listing in script assessment part2

modifying assessment script part2 figures creation

stage 6 master script using modified figure assessment script2

more changes to part3 assessment overall figure combined assessment

debugging of figures and adding figure 9 to produce yearly comparison of RMSE