Support most recent salt packages
Support most recent salt packages

Epel takes a loooong time to update its packages, and still has only
very old versions of zeromq, so pull packages from the salt copr repo,
instead.


Former-commit-id: 8a2dc7e836007f77708f3a959693c4f89640d509
Former-commit-id: 50f909d90d02a306938e8b87ac225afcef1f5398
Former-commit-id: 1afd9856fb6ccc3d6c38260b977591a50cf3b3ea
plus3it/SystemPrep,lorengordon/SystemPrep,plus3it/SystemPrep,lorengordon/SystemPrep