code: public static Map<String,byte[]> storeDirectoryResourcesAsBytes( File directory ) throws IOException {
  		return storeDirectoryResourcesAsBytes( directory, new ArrayList<String>( 0 ));
  	}
docs: Stores the resources from a directory into a map.
  @param directory an existing directory
  @return a non-null map (key = the file location, relative to the directory, value = file content)
  @throws IOException if something went wrong while reading a file