Nasty hack in place to control `min_lon` parameter based on mwFill:
Nasty hack in place to control `min_lon` parameter based on mwFill:

- If mwFill is False, we draw the MW all the way
- If it is true, polygons don't work yet. So we cut off the MW region at
  -30. This is to mask out a problem we have with extending the MW
  opolygons to the Southern Hemisphere
	modified:   opsimsummary/visualization.py

rbiswas4/simlib