Version 1.6
@make indicies of refraction for all media settable from the config file
date 2005.06.09.17.27.02; author mworcest; state Exp;
Version 1.5
@Added test so that command-line args are only overwritten if a non-standard config file is requested
date 2005.05.09.21.38.58; author jrk; state Exp;
Version 1.4
@Added info from decay chain.
date 2005.05.09.19.22.42; author josephf; state Exp;
Version 1.3
@Added attenuation lengths to configuration file, and cmd-line argument to specify name of configuration file
date 2005.05.09.19.20.31; author jrk; state Exp;
Version 1.2
@*** empty log message ***
date 2005.05.05.18.09.54; author josephf; state Exp;
Version 1.1
@Adding new files for command line options and such
date 2005.04.30.22.24.23; author tunnell; state Exp;
Matthew Worcester Last modified: Thu Jun 9 12:28:00 CDT 2005