Merge branch 'feature/add-property-managed-by-us-for-switch' into 'master'

data/grid5000/sites/grenoble/network_equipments/gw.json

...grid5000/sites/lille/network_equipments/sw-chiclet-1.json

...grid5000/sites/lille/network_equipments/sw-chiclet-2.json

...grid5000/sites/lille/network_equipments/sw-chiclet-3.json

data/grid5000/sites/luxembourg/network_equipments/gw.json

data/grid5000/sites/luxembourg/network_equipments/mxl1.json

data/grid5000/sites/luxembourg/network_equipments/mxl2.json

...sites/luxembourg/network_equipments/ul-grid5000-sw02.json

data/grid5000/sites/lyon/network_equipments/force10.json

data/grid5000/sites/lyon/network_equipments/gw.json

data/grid5000/sites/lyon/network_equipments/salome.json

data/grid5000/sites/lyon/network_equipments/sneowise.json

data/grid5000/sites/lyon/network_equipments/sneowiseib1.json

data/grid5000/sites/lyon/network_equipments/sneowiseib2.json

data/grid5000/sites/lyon/network_equipments/swib.json

data/grid5000/sites/nancy/network_equipments/gw.json

.../grid5000/sites/nancy/network_equipments/sgraoullyib.json

data/grid5000/sites/nancy/network_equipments/sgrappe.json

data/grid5000/sites/nancy/network_equipments/sgrcinq.json

data/grid5000/sites/nancy/network_equipments/sgrele-opf.json