Functions and constants definitions for IOOS_inundation2.
Re-factored.
Outputs with Signell's iris branch.
Merge branch 'IOOS_inundation2' of https://github.com/ocefpaf/notebook into ocefpaf-IOOS_inundation2

Conflicts:
	CSW/IOOS_inundation2.ipynb
	CSW/utilities.ipynb
Merge branch 'ocefpaf-IOOS_inundation2'