file names use snake case
consolidation of wnv suit pipeline code

I think connected to ews-postprocessing or ews-plotting convention.

This may be related to a recent commit.

adding console logging (streamhandler) so outout sent to loggers is also sent to the screen (useful for Airflow to pick up and display in its logs)

...to reflect recent changes in ews-source-calc commit e162c48.

This reverts commit 1f935d5f.

- Individual grouping based on GroupBy content (defined in config)
- Allow grouping by multiple columns
- Handling NaN while creating individual groups
- Handling '+' separrated group names

(Adding missing columns)