Improve SampleData module: add downloadFromURL API
Created by: jcfr
This changes are first step toward improving testing infrastructure discussed in https://discourse.slicer.org/t/improving-testing-data-management-for-self-test/5014/6
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.
Created by: jcfr
This changes are first step toward improving testing infrastructure discussed in https://discourse.slicer.org/t/improving-testing-data-management-for-self-test/5014/6