Merge branch 'plotting' into 'master'

Plotting

See merge request !94
5 jobs for master in 6 minutes and 19 seconds (queued for 28 seconds)
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test_mpi_fftw_hdf5 Test There is an unknown failure, please try again
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test_min Test There is an unknown failure, please try again
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test_mpi_fftw Test There is an unknown failure, please try again
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test_mpi Test There is an unknown failure, please try again
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