code: public RedwoodConfiguration loggingClass(final String classToIgnoreInTraces){
      tasks.add(new Runnable() { public void run() { Redwood.addLoggingClass(classToIgnoreInTraces); } });
      return this;
    }
docs: Set a Java classname path to ignore when printing stack traces
  @param classToIgnoreInTraces The class name (with packages, etc) to ignore.
  @return this