Add a fresh LICENSE file
Add a fresh LICENSE file

This allows us to keep the verbatim text for the existing Globus code in `GLOBUS_LICENSE`, but provides clarity for all new contributions to this project.

Even if it's essentially the same as the Globus license, this will help provide metadata about licensing to GitHub.
gridcf/gct,gridcf/gct,gridcf/gct,gridcf/gct,gridcf/gct,gridcf/gct