Merge branch 'single_plot_and_cosmetics' into 'NIFTy_5'

Single plot and cosmetics

See merge request !310
11 jobs for NIFTy_5 in 19 minutes and 19 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build Docker
passed #774619
build_docker_from_scratch

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  Test
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test_mpi

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passed #774620
test_serial

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  Release
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pages

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  Demo Runs
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run_bernoulli

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run_curve_fitting

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run_getting_started_1

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run_getting_started_2

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passed #774626
run_getting_started_3

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passed #774623
run_ipynb

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  Deploy
passed pages:deploy

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