Merge branch 'nix-simplify' into 'master'

Refactors Nix code to be even simpler.

See merge request !53
13 jobs for master in 6 minutes and 6 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Build
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integration
containers.build

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libnrm.build

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nrm.build

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  Test
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Hello.test

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knl
KNL-Hello.test

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KNL-Listen.test

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knl
KNL-Perfwrapper.test

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KNL-Power.test

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knl
KNL-STREAM.test

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integration
Listen.test

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Perfwrapper.test

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rapl
py.test

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  Style
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flake8

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