Merge branch 'master' into dev

...service/rest-service/src/main/resources/MDB/createMDB.sql

...r-service/rest-service/src/main/resources/application.yml

...service/rest-service/src/main/resources/config.properties

...-service/src/test/java/at/tuwien/BaseIntegrationTest.java

...c/test/java/at/tuwien/endpoint/ImageEndpointUnitTest.java

...rvice/src/test/java/at/tuwien/mapper/BaseMappingTest.java

.../src/test/java/at/tuwien/mapper/ContainerMappingTest.java

...va/at/tuwien/service/ContainerServiceIntegrationTest.java

...src/test/java/at/tuwien/service/ImageServiceUnitTest.java

.../main/java/at/tuwien/exception/DockerClientException.java

...main/java/at/tuwien/exception/ImageNotFoundException.java

...database-service/.mvn/wrapper/MavenWrapperDownloader.java

fda-database-service/.mvn/wrapper/maven-wrapper.jar

fda-database-service/.mvn/wrapper/maven-wrapper.properties

fda-database-service/Dockerfile

fda-database-service/gateway/pom.xml

...ce/gateway/src/main/java/at/tuwien/config/RestClient.java

...ay/src/main/java/at/tuwien/endpoint/ContainerGateway.java

.../java/at/tuwien/exception/ExternalComponentException.java

fda-database-service/pom.xml