[orsay] added a 'comments' field on nodes for they current problems.

data/grid5000/sites/orsay/clusters/gdx/nodes/gdx-144.json

data/grid5000/sites/orsay/clusters/gdx/nodes/gdx-190.json

data/grid5000/sites/orsay/clusters/gdx/nodes/gdx-223.json

data/grid5000/sites/orsay/clusters/gdx/nodes/gdx-231.json

data/grid5000/sites/orsay/clusters/gdx/nodes/gdx-267.json

data/grid5000/sites/orsay/clusters/gdx/nodes/gdx-289.json

data/grid5000/sites/orsay/clusters/gdx/nodes/gdx-29.json

data/grid5000/sites/orsay/clusters/gdx/nodes/gdx-290.json

data/grid5000/sites/orsay/clusters/gdx/nodes/gdx-291.json

data/grid5000/sites/orsay/clusters/gdx/nodes/gdx-292.json

data/grid5000/sites/orsay/clusters/gdx/nodes/gdx-293.json

data/grid5000/sites/orsay/clusters/gdx/nodes/gdx-294.json

data/grid5000/sites/orsay/clusters/gdx/nodes/gdx-295.json

data/grid5000/sites/orsay/clusters/gdx/nodes/gdx-296.json

data/grid5000/sites/orsay/clusters/gdx/nodes/gdx-297.json

data/grid5000/sites/orsay/clusters/gdx/nodes/gdx-298.json

data/grid5000/sites/orsay/clusters/gdx/nodes/gdx-299.json

data/grid5000/sites/orsay/clusters/gdx/nodes/gdx-30.json

data/grid5000/sites/orsay/clusters/gdx/nodes/gdx-300.json

data/grid5000/sites/orsay/clusters/gdx/nodes/gdx-301.json