Merge branch 'update_postinstall' into 'master'

...es/grenoble/clusters/chartreuse2/nodes/chartreuse2-1.json

...es/grenoble/clusters/chartreuse2/nodes/chartreuse2-2.json

...es/grenoble/clusters/chartreuse2/nodes/chartreuse2-3.json

...es/grenoble/clusters/chartreuse2/nodes/chartreuse2-4.json

...es/grenoble/clusters/chartreuse3/nodes/chartreuse3-1.json

...es/grenoble/clusters/chartreuse3/nodes/chartreuse3-2.json

...es/grenoble/clusters/chartreuse3/nodes/chartreuse3-3.json

...es/grenoble/clusters/chartreuse3/nodes/chartreuse3-4.json

data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-1.json

.../grid5000/sites/grenoble/clusters/dahu/nodes/dahu-10.json

.../grid5000/sites/grenoble/clusters/dahu/nodes/dahu-11.json

.../grid5000/sites/grenoble/clusters/dahu/nodes/dahu-12.json

.../grid5000/sites/grenoble/clusters/dahu/nodes/dahu-13.json

.../grid5000/sites/grenoble/clusters/dahu/nodes/dahu-14.json

.../grid5000/sites/grenoble/clusters/dahu/nodes/dahu-15.json

.../grid5000/sites/grenoble/clusters/dahu/nodes/dahu-16.json

.../grid5000/sites/grenoble/clusters/dahu/nodes/dahu-17.json

.../grid5000/sites/grenoble/clusters/dahu/nodes/dahu-18.json

.../grid5000/sites/grenoble/clusters/dahu/nodes/dahu-19.json

data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-2.json