[slurm-users] New, faster, simpler makefiles.

Hello,

I've written a set of replacement makefiles for Slurm, which are faster, and simpler than Automake. Faster incremental builds make the code much more pleasant to work with.

Try it out here: https://github.com/alex-smartptr/slurm

Instructions: 1. Run `./configure` as usual (all settings work as before). 2. `make -s`

You can find a full README here: https://github.com/alex-smartptr/slurm/blob/newmake/mk/README.md

I'm looking for feedback, especially problems that I've not foreseen, but also suggestions for improvements.

-Alex Tingle

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