[Bug] Fix several errors in map_scatter and associated data

[EdwardSafford-NOAA]

There are 3 bugs associated with map_scatter plots when all ozone data files are missing. The result of such a condition should be a plot with 4 empty subplots each showing a world map and color bar. The errors are:

1. mon_data_space.py needs to add empty lat and lon values for each level.
2. emcpy_map_scatter.py needs to remove 'level' from the plot object -- emcpy doesn't recognize level and fails if it's in the plot object's configuration.
3. dynamic_config.py needs a check on the data. When there is none it shouldn't try to sort the data -- that's a fatal error.
4. All ozone horizontal plots that have more than 1 level fail.