fix(gitlab-ci): revert container test image tag to commit_sha

See merge request !33

container scanning defaults to this image name if CI_APPLICATION_TAG is not set

container scanning defaults to this image name if CI_APPLICATION_TAG is not set

fix(ddusers.views): correct import of PublicationForm

See merge request !32

fix(container-scanning): remove custom variables

See merge request !31

Feature/elastic search

See merge request !30

Feature/token api

See merge request !29

# Conflicts:
#   config/settings/base.py

Merge branch 'feature/elastic-search' of gitlab.gwdg.de:discuss-data/discuss-data into feature/elastic-search

Feature/elastic search

See merge request !28

django-intercooler does not work with intercooler and jquery included with vendors.js; let it import
the files directly in the base template file until another solution is found

add curl to dockerfile; provide a check for the availability of elasticsearch in entrypoint script

gitlab creates a detached state with the merged result that needs an own image to be tested against
the exspected results