Slicer/ExtensionsIndex — pull request #722 by skumar221 (2014-07-03 22:22:40+00:00)
Title: Update XNATSlicer.s4ext

Improvements:
- Before uploading, converts all VTKs in a scene to ascii format so that XNATImageViewer (powered by XTK) can read those files.
- Saves a master scene screenshot for a thumbnail in the mrb.