code: protected Properties loadConfig (String configPath)
          throws IOException
      {
          Properties config = new Properties();
          try {
              config.load(new FileInputStream(new File(_rdir, configPath)));
          } catch (Exception e) {
              String errmsg = "Unable to load resource manager config [rdir=" + _rdir +
                  ", cpath=" + configPath + "]";
              log.warning(errmsg + ".", e);
              throw new IOException(errmsg);
          }
          return config;
      }
docs: Loads the configuration properties for our resource sets.