OME-TIFF Big Images 10761

If you try to Batch_Image_Export a Big Image with format: OME-TIFF, you will get a message that says "Can't export a 'Big' image to OME-TIFF".

To test:
 - In web, click the download menu in the right panel of a Big image, choose OME-TIFF then 'Create' in the dialog. The activities panel will show "Can't export a 'Big' image to OME-TIFF".
 - The same can be seen in Insight (or web) by running the Batch_Image_Export script with a Big image. If multiple images are chosen, only the Big Images will be ignored and a zip will be created for the others, so the message will be "OME-TIFF created and attached to..."