Java based client to view remote JPEG 2000 using JPIP protocol.
 This is a simple java viewer to allow:
 .
  - Scale up request: Enlarge the window
  - ROI request: Select a region by mouse click and drag, then click inside the
    red frame of the selected region
  - Annotate image with ROI information in XML metadata: Click button "Region
    Of Interest"
  - Open a new window presenting an aligned image with a locally stored image:
    Click button "Image Registration" (Under Construction)