Merge branch 'scripts_in_tools_dir' into 'master'

examples/plot_gravity_checks.py

examples/plot_scaling_results.py

examples/plot_scaling_results_breakdown.py

tools/analyse_dump_cells.py

tools/analyse_runtime.py

tools/check_interactions.sh

tools/check_ngbs.py

tools/combine_ics.py

tools/plot_gravity_checks.py

tools/plot_scaling_results.py

tools/plot_scaling_results_breakdown.py

tools/plot_task_dependencies.sh

tools/plot_task_level.py

tools/process_cells

tools/process_cells_helper

tools/task_plots/analyse_tasks.py

tools/task_plots/analyse_threadpool_tasks.py

tools/task_plots/plot_tasks.py

tools/task_plots/plot_threadpool.py

tools/task_plots/process_plot_tasks