Reorganizing files
Cleaned up bam_liquidator_bin_plot_by_cell_type.py and renamed to normalize_plot_and_summarize.py
Renamed a couple things for clarity
Documenting arguments/usage
Merge branch 'hot-spots' of github.com:BradnerLab/pipeline into hot-spots

Conflicts:
	bamliquidator_internal/normalize_plot_and_summarize.py