Merge branch 'dev' into f-fix-103

.gitignore

.gitlab-ci.yml

CHANGELOG.md

Makefile

README_SETUP.md

build.properties.d/00_default.properties

install-sss.sh

libs/UTIF-8205c1f.zip

libs/bootstrap-3.3.7-dist.zip

libs/bootstrap-3.4.1-dist.zip

libs/bootstrap-autocomplete-2.3.0.zip

libs/bootstrap-autocomplete-2.3.5.zip

libs/jquery-3.3.1.zip

libs/jquery-3.5.1.zip

libs/pako-dummy.zip

misc/versioning_test_data.py

src/core/css/webcaosdb.css

src/core/js/autocomplete.js

src/core/js/caosdb.js

src/core/js/edit_mode.js