Merge branch 'testing-esterel38' into 'master'

data/grid5000/sites/sophia/clusters/esterel38/esterel38.json

...00/sites/sophia/clusters/esterel38/nodes/esterel38-1.json

data/grid5000/sites/sophia/network_equipments/sw-7.json

data/grid5000/sites/sophia/network_equipments/swadmin-7.json

input/grid5000/ipv4.yaml

...t/grid5000/sites/sophia/clusters/esterel38/esterel38.yaml

...00/sites/sophia/clusters/esterel38/esterel38_metrics.yaml

...00/sites/sophia/clusters/esterel38/nodes/esterel38-1.yaml

input/grid5000/sites/sophia/networks/sw-7.yaml

input/grid5000/sites/sophia/networks/swadmin-7.yaml

lib/refrepo/gpu_ref.rb

lib/refrepo/net_names_mapping.yaml