Merge branch 'master' into issue-274

.gitlab-ci.yml

docs/Gemfile.lock

docs/theodolite-benchmarks/load-generator.md

execution/infrastructure/zookeeper-client.yaml

helm/templates/kafka/kafka-cluster.yaml

helm/templates/kafka/kafka-exporter-podmonitor.yaml

helm/templates/kafka/kafka-metrics-configmap.yaml

helm/templates/kafka/kafka-podmonitor.yaml

helm/templates/kafka/zookeeper-client.yaml

helm/templates/kafka/zookeeper-entrance-deployment.yaml

helm/templates/kafka/zookeeper-entrance-network.yaml

helm/templates/kafka/zookeeper-entrance-service.yaml

helm/values.yaml

...enchmarks/beam-commons/.settings/org.eclipse.jdt.ui.prefs

...beam-commons/.settings/qa.eclipse.plugin.checkstyle.prefs

...hmarks/beam-commons/.settings/qa.eclipse.plugin.pmd.prefs

...lite/benchmarks/commons/beam/AbstractPipelineFactory.java

...rocks/theodolite/benchmarks/commons/beam/BeamService.java

...theodolite/benchmarks/commons/beam/ConfigurationKeys.java

...rks/commons/beam/kafka/ActivePowerRecordDeserializer.java