Neutron in insert (#24)

* updated Snakefile

* added benchmark for neutron recon in ZDC

* added neutron_plots.py, updated Snakefile

* Update .gitlab-ci.yml

include the neutron benchmark in the ones running in gitlab

* Update config.yml

use correct generated momenta in parallelized jobs

* Update config.yml

used the correct configuration (craterlake) in the config.yml

* Update neutron_plots.py

* Update config.yml

* Update config.yml

used "touch" to force snakemake to not update files in the neutron:analyze phase