Preliminary success

...src/main/java/at/tuwien/entities/container/Container.java

...va/at/tuwien/entities/container/image/ContainerImage.java

...ain/java/at/tuwien/entities/container/image/DataType.java

...ain/java/at/tuwien/entities/container/image/Operator.java

...s/src/main/java/at/tuwien/entities/database/Database.java

...main/java/at/tuwien/entities/database/DatabaseAccess.java

...ities/src/main/java/at/tuwien/entities/database/View.java

...src/main/java/at/tuwien/entities/database/ViewColumn.java

...rc/main/java/at/tuwien/entities/database/table/Table.java

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

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

...ies/database/table/constraints/foreignKey/ForeignKey.java

...ase/table/constraints/foreignKey/ForeignKeyReference.java

.../src/main/java/at/tuwien/entities/identifier/Creator.java

...c/main/java/at/tuwien/entities/identifier/Identifier.java

.../at/tuwien/entities/identifier/IdentifierDescription.java

.../java/at/tuwien/entities/identifier/IdentifierFunder.java

...n/java/at/tuwien/entities/identifier/IdentifierTitle.java

.../entities/src/main/java/at/tuwien/entities/user/User.java

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