modifying function to check missing files and dates for predictions and others

adding function to check missing predictions/mosaics

debugging function

adding plot animate raster time series in function script

generating animation for region 4 for multiple years sequences

generating animation for region 5 for multiple years sequences

generating animation for region 5 with and without range limit

more testing of function for reg5 missing mosaics

checking missing files for region 5 with check_missing function

testing checking missing files/mosaic function