Merge branch 'dev' into f-ext-applicable

.gitignore

.gitlab-ci.yml

CHANGELOG.md

DEPENDENCIES.md

Makefile

README_SETUP.md

References_button.png

misc/versioning_test_data.py

model.svg

src/core/css/webcaosdb.css

src/core/js/caosdb.js

src/core/js/edit_mode.js

src/core/js/ext_autocomplete.js

src/core/js/ext_bookmarks.js

src/core/js/ext_bottom_line.js

src/core/js/ext_map.js

src/core/js/ext_xls_download.js

src/core/js/footer.js

src/core/js/form_elements.js

src/core/js/preview.js