[nancy] talc, graphique - Add zero performance for the clusters

data/grid5000/sites/nancy/clusters/talc/nodes/talc-27.json

data/grid5000/sites/nancy/clusters/talc/nodes/talc-28.json

data/grid5000/sites/nancy/clusters/talc/nodes/talc-29.json

data/grid5000/sites/nancy/clusters/talc/nodes/talc-3.json

data/grid5000/sites/nancy/clusters/talc/nodes/talc-30.json

data/grid5000/sites/nancy/clusters/talc/nodes/talc-31.json

data/grid5000/sites/nancy/clusters/talc/nodes/talc-32.json

data/grid5000/sites/nancy/clusters/talc/nodes/talc-33.json

data/grid5000/sites/nancy/clusters/talc/nodes/talc-34.json

data/grid5000/sites/nancy/clusters/talc/nodes/talc-35.json

data/grid5000/sites/nancy/clusters/talc/nodes/talc-36.json

data/grid5000/sites/nancy/clusters/talc/nodes/talc-37.json

data/grid5000/sites/nancy/clusters/talc/nodes/talc-38.json

data/grid5000/sites/nancy/clusters/talc/nodes/talc-39.json

data/grid5000/sites/nancy/clusters/talc/nodes/talc-4.json

data/grid5000/sites/nancy/clusters/talc/nodes/talc-40.json

data/grid5000/sites/nancy/clusters/talc/nodes/talc-41.json

data/grid5000/sites/nancy/clusters/talc/nodes/talc-42.json

data/grid5000/sites/nancy/clusters/talc/nodes/talc-43.json

data/grid5000/sites/nancy/clusters/talc/nodes/talc-44.json