Author: Doug Jacobsen
Date: 12/17/2013

About:
	This script is used to help visualize decompositions of an MPAS mesh.
	It appends to the grid file three arrays.
		cellDecomposition
		triangleDecomposition
		edgeDecomposition
	
Usage: decomposition_fields.py [options]

Options:
  -h, --help            show this help message and exit
	-f FILE, --file=FILE  Path to grid file
	  -d DECOMP, --decomp=DECOMP
							  Decomposition file

