DRAG2INSm input description

DRAG2INSm in micro mode requires two EDI input files per cross section set (each material).  The filename is identical on bot files but the extension is:
.N   for the file that contains the correct number densities
.edi for the files that contains a better representation of the neutron spectrum.


CARD      OPTIONS             DESCRIPTION
------   ---------           ------------------------------
ngr       integer value      number of groups
meth      (0/1)  & (pl)       (0 - mimic diff in INSTANT / 1- Pn data in INSTANT) & (Legendre order =0,1) 
files    		     header for files 			
          num    	     material number
          filename           DRAGON EDI file 
          opt                (micro/macro)  (if "macro" option is used include file extensions, for "micro" file extensions are assumed ".N" and ".edi" just include the filename with no extension) 
