Fixed comments of ADE_gauss
Added ring morphology to simcurve

New function is called bigben. It creates rings that are gaussians in
radius.
A few tiny bug fixes to morphological programs
Scripts for making and analyzing rings

morph_scripts - contains code for making grid plots for any morphology
ring_script - for generating ring simulation files
Modifications and new files for looking at effects of spirality.

New file: spiral_script - for making a bunch of spiral simulations
morph_scripts - added script for spiral arms