Follow consistent runner naming and tagging

https://zivgitlab.uni-muenster.de/HPC2SE-Project/compute-server-admin/issues/7

TODO:

activate new runners
fix .gitlab_ci.yml !7 (merged)
deactivate old runners
test (https://gitlab.dune-project.org/joe/registry-cli/pipelines/12223)

Edited Sep 03, 2018 by Jö Fahlke

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