Fixed some parts of the service

.gitlab-ci.yml

Makefile

dbrepo-authentication-service/dbrepo-realm.json

...n/api/database/table/columns/concepts/ConceptSaveDto.java

...wien/api/database/table/columns/concepts/UnitSaveDto.java

.../api/src/main/java/at/tuwien/api/semantics/EntityDto.java

...rc/main/java/at/tuwien/api/semantics/EntitySearchDto.java

...c/main/java/at/tuwien/api/semantics/OntologyBriefDto.java

.../main/java/at/tuwien/api/semantics/OntologyCreateDto.java

...pi/src/main/java/at/tuwien/api/semantics/OntologyDto.java

...in/java/at/tuwien/api/semantics/TableColumnEntityDto.java

...n/entities/database/table/columns/TableColumnConcept.java

...wien/entities/database/table/columns/TableColumnUnit.java

.../src/main/java/at/tuwien/entities/semantics/Ontology.java

dbrepo-metadata-db/setup-schema.sql

dbrepo-semantics-service/pom.xml

...ain/java/at/tuwien/DbrepoSemanticsServiceApplication.java

...e/src/main/java/at/tuwien/endpoints/OntologyEndpoint.java

...vice/src/main/java/at/tuwien/endpoints/QueryEndpoint.java

.../src/main/java/at/tuwien/endpoints/SemanticsEndpoint.java