Add dwi convert
This patch should not affect the standard build process of Slicer with ITKv3. It adds the DWIConvert program.
System updates will be applied on January 22st between 0900 AM and 1200 PM, EST (UTC-05:00). This site may have intermittent downtime during that time.
This patch should not affect the standard build process of Slicer with ITKv3. It adds the DWIConvert program.