[all] Large update of the node descriptions from g5k-checks output

generators/lib/hash/hash.rb

generators/reference-api/reference-api.rb

generators/run-g5kchecks/postprocessing.rb

.../grid5000/sites/grenoble/clusters/adonis/adonis_diff.yaml

...id5000/sites/grenoble/clusters/adonis/nodes/adonis-1.yaml

...d5000/sites/grenoble/clusters/adonis/nodes/adonis-10.yaml

...id5000/sites/grenoble/clusters/adonis/nodes/adonis-2.yaml

...id5000/sites/grenoble/clusters/adonis/nodes/adonis-3.yaml

...id5000/sites/grenoble/clusters/adonis/nodes/adonis-4.yaml

...id5000/sites/grenoble/clusters/adonis/nodes/adonis-5.yaml

...id5000/sites/grenoble/clusters/adonis/nodes/adonis-6.yaml

...id5000/sites/grenoble/clusters/adonis/nodes/adonis-8.yaml

...id5000/sites/grenoble/clusters/adonis/nodes/adonis-9.yaml

input/grid5000/sites/grenoble/clusters/edel/edel_diff.yaml

.../grid5000/sites/grenoble/clusters/edel/nodes/edel-10.yaml

.../grid5000/sites/grenoble/clusters/edel/nodes/edel-11.yaml

.../grid5000/sites/grenoble/clusters/edel/nodes/edel-12.yaml

.../grid5000/sites/grenoble/clusters/edel/nodes/edel-13.yaml

.../grid5000/sites/grenoble/clusters/edel/nodes/edel-14.yaml

.../grid5000/sites/grenoble/clusters/edel/nodes/edel-15.yaml