Include new IllinoisGRMHD with tabulated and hybrid EOS support

[Leonardo Werneck]

This new version of IllinoisGRMHD extends the original gamma-law equation of state (EOS) infrastructure of the code to support hybrid EOSs (with a piecewise polytropic cold part) and finite temperature, microphysical EOS tables via an interface with our new EOS thorn, NRPyEOS. The conservative-to-primitive infrastructure has also been improved, with two additional routines added to handle the tabulated EOS case reliably. This interface also introduces an interface with our new neutrino leakage thorn, NRPyLeakage.

• To access the new IllinoisGRMHD and thorns, see: https://github.com/IllinoisGRMHD
• NRPyEOS ticket: https://bitbucket.org/einsteintoolkit/tickets/issues/2688/include-nrpyeos-in-next-et-release
• NRPyLeakage ticket: https://bitbucket.org/einsteintoolkit/tickets/issues/2689/include-nrpyleakage-in-next-et-release

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[Leonardo Werneck]

@Samuel Cupp will be the reviewer.

[Roland Haas]

This is pretty much a duplicate of #2300, ins’t it? Keep in mind then, that my comments about changing / removing parameters apply: https://bitbucket.org/einsteintoolkit/tickets/issues/2300/update-add-piecewise-polytrope-eos-support#comment-56622379

[Leonardo Werneck]

Marking issue as resolved as we are favoring the inclusion of the GRHayL library instead.