fixed some bugs in plot_ops; revised plot_spatial_stats and plot_temporal_stats and implemented catchment time series in the latter; added the production method to make routine operations easier
fixed some bugs in plot_ops; revised plot_spatial_stats and plot_temporal_stats and implemented catchment time series in the latter; added the production method to make routine operations easier

jgte/orb,jgte/orb,jgte/orb,jgte/orb,jgte/orb