Merge branch '319-independence-of-deployment-environment' into 'dev'

.env.unix.example

.junit/hosts

.scripts/teardown.sh

Makefile

dbrepo-authentication-service/dbrepo-realm.json

dbrepo-container-service/pom.xml

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

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

...src/main/java/at/tuwien/handlers/ApiExceptionHandler.java

...st/java/at/tuwien/endpoint/ContainerEndpointUnitTest.java

...java/at/tuwien/endpoint/ImageEndpointIntegrationTest.java

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

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

...t/java/at/tuwien/service/ImageServiceIntegrationTest.java

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

...st/java/at/tuwien/service/PersistenceIntegrationTest.java

...ce/rest-service/src/test/resources/application.properties

...st-service/src/test/resources/docker/inspect_running.json

...r-service/rest-service/src/test/resources/init/schema.sql

...es/src/main/java/at/tuwien/config/DockerDaemonConfig.java