* .gitlab-ci.yml: remove section overwrites.
* .gitlab-ci.yml: add GIT_DEPTH variable to limit the clone depth to 1: faster git clone while container execution.
* .gitlab-ci.yml: job names are sorted alphabetically like in the web ui.
* .included.yml: add .tar_option for vm and vm-nogui that adds the after_script section and overwrites artifacts section.
* both files: remove output_file variable.
* both files: generalize file upload: add dynamic uploadPath variable, that creates a same-named folder that will be later uploaded as artifact.
