Split calorimeter subsystems into their own benchmark directories.

benchmarks/barrel_ecal/.gitignore

benchmarks/barrel_ecal/config.yml

benchmarks/barrel_ecal/rootlogon.C

benchmarks/barrel_ecal/run_emcal_barrel_electrons.sh

benchmarks/barrel_ecal/run_emcal_barrel_pions.sh

benchmarks/barrel_ecal/scripts/emcal_barrel_electrons.cxx

...s/barrel_ecal/scripts/emcal_barrel_electrons_analysis.cxx

...rks/barrel_ecal/scripts/emcal_barrel_electrons_reader.cxx

benchmarks/barrel_ecal/scripts/emcal_barrel_pions.cxx

...marks/barrel_ecal/scripts/emcal_barrel_pions_analysis.cxx

benchmarks/barrel_ecal/scripts/emcal_barrel_pions_reader.cxx

benchmarks/barrel_ecal/simple_checking.cxx

benchmarks/barrel_ecal/simple_info_plot_histograms.cxx

benchmarks/calorimeters/.rootrc

benchmarks/calorimeters/config.yml

benchmarks/crystal_calorimeter/Crystal_example.xml

benchmarks/crystal_calorimeter/config.yml

benchmarks/crystal_calorimeter/elements.xml

benchmarks/crystal_calorimeter/makeplot_pion.C

benchmarks/crystal_calorimeter/materials.xml