propagating master changes

git-svn-id: https://svn.lal.in2p3.fr/users/garrido/Workdir/NEMO/SuperNEMO/simulations/configuration/branches/snemo_resolution@1008 c722067c-5a28-402b-ada0-035072d74082
Merge branch 'snemo_resolution' into legacy
adding legacy dir. to gitignore