DM-04: Migration of data associated with change of primary computational site

Executive Summary: 
A researcher, educator, or science gateway developer needs to migrate all their active data to a new resource, either because of a change in allocation status or the introduction of a new resource into the XSEDE ecosystem.
User Importance Summary: 
Resources come and go frequently within the XSEDE system, and anyone who continues to use XSEDE over several years will need to move their work from older resources to newer ones.
Target Communities and Sizes: 
Researchers - 10,000 < N < 100,000 Educators - 1,000 < N < 10,000 Science gateway developers - 100 < N < 1,000