Merge remote-tracking branch 'origin/develop' into develop

build.gradle

...va/net/geant/nmaas/orchestration/jobs/DomainGroupJob.java

...maas/portal/api/domain/ApplicationStatePerDomainView.java

...in/java/net/geant/nmaas/portal/api/domain/DomainBase.java

...va/net/geant/nmaas/portal/api/domain/DomainGroupView.java

.../geant/nmaas/portal/api/domain/DomainGroupWebhookDto.java

...net/geant/nmaas/portal/persistent/entity/DomainGroup.java

...ant/nmaas/portal/service/impl/DomainGroupServiceImpl.java

...ant/nmaas/portal/service/impl/DomainGroupServiceTest.java

...et/geant/nmaas/portal/service/impl/DomainServiceTest.java