Justin S 71fb29fccf muscle: add 3.8.31 (#15974) ...

* muscle: add 3.8.31

* muscle: use build_directory property

* muscle: add url_for_version, fix version comparison

2020-04-14 11:13:16 -05:00

..

spack

muscle: add 3.8.31 (#15974)

2020-04-14 11:13:16 -05:00