code: @ConfInfo(dontSave = true)
    public String getProperty(final Collection<String> col,
                              final String name) {
      String key = name + "=";
      for (String p: col) {
        if (p.startsWith(key)) {
          return p.substring(key.length());
        }
      }
  
      return null;
    }
docs: Get a property stored as a String name = val
  
  @param col of property name+val
  @param name
  @return value or null