[orsay] Adding switche procurvexy and updating nodes bandwidth values.

data/grid5000/sites/orsay/clusters/gdx/nodes/gdx-1.json

data/grid5000/sites/orsay/clusters/gdx/nodes/gdx-10.json

data/grid5000/sites/orsay/clusters/gdx/nodes/gdx-100.json

data/grid5000/sites/orsay/clusters/gdx/nodes/gdx-101.json

data/grid5000/sites/orsay/clusters/gdx/nodes/gdx-102.json

data/grid5000/sites/orsay/clusters/gdx/nodes/gdx-103.json

data/grid5000/sites/orsay/clusters/gdx/nodes/gdx-104.json

data/grid5000/sites/orsay/clusters/gdx/nodes/gdx-105.json

data/grid5000/sites/orsay/clusters/gdx/nodes/gdx-106.json

data/grid5000/sites/orsay/clusters/gdx/nodes/gdx-107.json

data/grid5000/sites/orsay/clusters/gdx/nodes/gdx-108.json

data/grid5000/sites/orsay/clusters/gdx/nodes/gdx-109.json

data/grid5000/sites/orsay/clusters/gdx/nodes/gdx-11.json

data/grid5000/sites/orsay/clusters/gdx/nodes/gdx-110.json

data/grid5000/sites/orsay/clusters/gdx/nodes/gdx-111.json

data/grid5000/sites/orsay/clusters/gdx/nodes/gdx-112.json

data/grid5000/sites/orsay/clusters/gdx/nodes/gdx-113.json

data/grid5000/sites/orsay/clusters/gdx/nodes/gdx-114.json

data/grid5000/sites/orsay/clusters/gdx/nodes/gdx-115.json

data/grid5000/sites/orsay/clusters/gdx/nodes/gdx-116.json