Failed upload for DICOM SEG with missing series description

[Mo Alsad]

Reported on behalf of Charlie Moore.

PUT /xapi/roi/projects/$PROJECT/sessions/$SESSION/collections/$ID?type=SEG

Fails for segmentations missing series description.

Exception traceback:

1. (0008,103e) Series Description being missing from the DICOM, hence
2. SegmentationRoiCollection#getName returning null, hence
3. CatalogUtils bombing out on this line final String filename = Paths.get(StringUtils.replace(fileWriter.getName(), "\\", "/")).getFileName().toString();

‌

[James Darcy]

Ensure ROICollections return a non-null, non-empty string to use as a filename. Fixes issue 44.

→ <<cset 16a8f752e25a>>