message: This allows us to grep & process the output easier.
diff: @@ -46,10 +46,19 @@ class LoggingWrapper {
  std::stringstream& Stream() { return stream_; }
  ~LoggingWrapper() {
  if (should_log_) {
  + switch (severity_) {
  + case LogSeverity::INFO:
  + case LogSeverity::WARN:
  + std::cout << stream_.str() << std::endl;
  + break;
  + case LogSeverity::ERROR:
  + std::cerr << stream_.str() << std::endl;
  + break;
  + case LogSeverity::FATAL:
  std::cerr << stream_.str() << std::endl;
  - if (severity_ == LogSeverity::FATAL) {
  std::flush(std::cerr);
  std::abort();
  + break;
  }
  }
  }
  