2013OCT12
* fixes in ng.Nextgen.read_file_name
- fpn = [os.path.realpath(f) for f in glob.glob(gfp)]
- problem because returns files in list
* fixes in ng.Nextget.read_file_names
- need to flatten list into another list so final
  list is just itteration of files
* unforseen :(
- test for failure]