Merge branch 'name=rennes_deprov' into 'master'

.../grid5000/sites/rennes/network_equipments/bigdata-sw.json

data/grid5000/sites/rennes/network_equipments/c6509.json

...id5000/sites/rennes/network_equipments/parasilo-sw-1.json

data/grid5000/sites/rennes/servers/bigdata-disc.json

data/grid5000/sites/rennes/servers/md3260-bg-1.json

data/grid5000/sites/rennes/servers/md3260-bg-2.json

data/grid5000/sites/rennes/servers/srv-bigdata.json

input/grid5000/sites/rennes/networks/bigdata-sw.yaml

input/grid5000/sites/rennes/networks/c6509.yaml

input/grid5000/sites/rennes/networks/parasilo-sw-1.yaml

input/grid5000/sites/rennes/servers/physical.yaml