1. add colorblind compatible colors (CCC)
2. add Plot_Horizontal_Lines
add method add_label and reduce_ticks_by_half
Several changes are included:
1. opitions to put surfix or prefix to label subplots, add class method _treat_taglist_by_tagpresurfix
2. add method 'from_panel' for NestedPdata
3. add method 'add_text' for Pdata.Pdata object
4. add method 'add_regression_line' for Pdata.Pdata object
5. add method 'add_Rectangle' for Pdata.Mdata object
add method Get_GridValue_grid and nc_add_Pdata_List_Ncdata