Merge branch 'mapping' into 'dev'

.docs/examples/xps-data.md

.docs/images/logos/iap.jpeg

.docs/images/logos/iap.png

.docs/images/screenshots/xps-chart.png

.docs/images/screenshots/xps-jupyter.png

.gitlab-ci.yml

dbrepo-analyse-service/Pipfile.lock

dbrepo-analyse-service/lib/dbrepo-1.4.4-py3-none-any.whl

dbrepo-analyse-service/lib/dbrepo-1.4.4.tar.gz

.../java/at/tuwien/service/SubsetServiceIntegrationTest.java

...e/services/src/main/java/at/tuwien/mapper/DataMapper.java

.../src/main/java/at/tuwien/api/database/table/TableDto.java

.../java/at/tuwien/api/database/table/columns/ColumnDto.java

...a-service/test/src/main/java/at/tuwien/test/BaseTest.java

dbrepo-search-service/Pipfile.lock

dbrepo-search-service/lib/dbrepo-1.4.4-py3-none-any.whl

dbrepo-search-service/lib/dbrepo-1.4.4.tar.gz

lib/python/dbrepo/AmqpClient.py

lib/python/dbrepo/RestClient.py

lib/python/dbrepo/UploadClient.py