Updated software list

README.md

 The following tarballs are used when building the pre-requisit
 libraries for meteo codes such as WRF and CM1.
 
-RIP_47.tar.gz                                   netcdf-c-4.7.0.tar.gz
-curl-7.64.1.tar.gz                              netcdf-c-4.7.4.tar.gz
-freetype-2.10.1.tar.gz                          netcdf-fortran-4.4.5.tar.gz
-hdf5-1.10.6.tar.gz                              netcdf-fortran-4.5.2.tar.gz
-jasper-1.900.1.zip                              pixman-0.38.4.tar.gz
-libpng-1.6.37.tar.gz                            szip-2.1.1.tar
-ncl_ncarg-6.6.2-CentOS6.10_64bit_gnu447.tar.gz  zlib-1.2.11.tar.gz
-
+RIP_47.tar.gz
+curl-7.64.1.tar.gz            
+freetype-2.10.1.tar.gz       
+freetype-2.10.4.tar.gz      
+hdf5-1.10.6.tar.gz         
+jasper-1.900.1.zip        
+libpng-1.6.37.tar.gz     
+ncl_ncarg-6.6.2-CentOS6.10_64bit_gnu447.tar.gz 
+ncl_ncarg-6.6.2-CentOS7.6_64bit_gnu485.tar.gz
+netcdf-c-4.7.0.tar.gz
+netcdf-c-4.7.4.tar.gz
+netcdf-fortran-4.4.5.tar.gz
+netcdf-fortran-4.5.2.tar.gz
+pixman-0.38.4.tar.gz
+szip-2.1.1.tar
+zlib-1.2.11.tar.gz