Merge branch 'f-boot-tour' into 'dev'

.gitlab-ci.yml

CHANGELOG.md

Makefile

README.md

build.properties.d/00_default.properties

libs/bootstrap-3.4.1-dist.zip

libs/bootstrap-5.0.1-dist.zip

libs/bootstrap-icons-1.4.1.zip

libs/bootstrap-select-1.14.0-beta2.zip

libs/bootstrap-select-v1.13.9.zip

libs/jquery-3.5.1.zip

libs/jquery-3.6.0.min.js

misc/install_comment_datamodel.py

misc/merge_js.sh

misc/merge_xsl.sh

misc/unit_test_http_server.py

src/core/css/tour.css

src/core/css/webcaosdb.css

src/core/css/webcaosdb.less

src/core/js/annotation.js