testing ploting time series profile function and clean up of main code for product assessment part1

modifying time series ploting function with additional option

debugging ploting time series function and moving it to the function script

starting new function +plot_observation_predictions_time_series

plotting extracted predicted values and measured tmax

testing function combine extraction and assessment data, also moved to function script

removing code related to time series and combine extracted and stations information from assessment

moving more functions, quick small test for extraction function, listing date produced and missing for mosaics

more clean up and moving functions from product assessment part 1 to functions script

major changes adding function to extract from raster, combine extracted data with assessmment and cleaning up