Merge branch 'content_revision' into 'master'

...er-documentation/resource-allocation-and-job-execution.md

...selm-cluster-documentation/resources-allocation-policy.md

...t4i/anselm-cluster-documentation/shell-and-data-access.md

docs.it4i/salomon/7d-enhanced-hypercube.md

docs.it4i/salomon/compute-nodes.md

docs.it4i/salomon/resource-allocation-and-job-execution.md

docs.it4i/salomon/resources-allocation-policy.md

docs.it4i/salomon/shell-and-data-access.md

mkdocs.yml