Merge branch 'master' into 46-add-more-detailed-benchmarking-strategies

...va/theodolite/commons/kafkastreams/ConfigurationKeys.java

build.gradle

execution/README.md

execution/infrastructure/kafka/kafka-client.yaml

...ution/infrastructure/prometheus/cluster-role-binding.yaml

execution/infrastructure/zookeeper-client.yaml

execution/run_uc2.sh

execution/uc2-application/aggregation-deployment.yaml

...n/java/theodolite/uc2/application/AggregationService.java

...in/java/theodolite/uc2/application/ConfigurationKeys.java

...uc2/streamprocessing/ChildParentsTransformerSupplier.java

...te/uc2/streamprocessing/JointFlatTransformerSupplier.java

...java/theodolite/uc2/streamprocessing/TopologyBuilder.java

...eodolite/uc2/streamprocessing/Uc2KafkaStreamsBuilder.java

...cation/src/main/resources/META-INF/application.properties