added annotation when the thresholds are not present in the header
added annotation when the thresholds are not present in the header

tidepool-org/chrome-uploader,tidepool-org/chrome-uploader,pazaan/chrome-uploader,urmc-costik/chrome-uploader,pazaan/chrome-uploader,urmc-costik/chrome-uploader,pazaan/chrome-uploader,tidepool-org/chrome-uploader,urmc-costik/chrome-uploader