This update for orthanc-ohif fixes the following issues:

Version 1.3:

  * Updated OHIF to 3.8.3
  * Enabled support for segmentation and microscopy modes
    Note that the microscopy mode is not stable yet in OHIF!
  * Fixed wrong MIME type for app-config.js that prevents the OHIF
    viewer from loading with Orthanc 1.12.2