Merge branch 'master' into issue-259

docs/_config.yml

docs/theodolite-benchmarks/load-generator.md

helm/preconfigs/minimal.yaml

helm/templates/theodolite/role.yaml

helm/values.yaml

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

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

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

...heodolite/benchmarks/loadgenerator/ConfigurationKeys.java

.../benchmarks/loadgenerator/EnvVarLoadGeneratorFactory.java

...theodolite/benchmarks/loadgenerator/HttpRecordSender.java

...ks/theodolite/benchmarks/loadgenerator/LoadGenerator.java

...dolite/benchmarks/loadgenerator/HttpRecordSenderTest.java

...rocks/theodolite/benchmarks/uc1/beam/PipelineFactory.java

...nchmarks/uc1/beam/firestore/FirestoreOptionsExpander.java

...1-beam/src/main/resources/META-INF/application.properties

...2-beam/src/main/resources/META-INF/application.properties

...3-beam/src/main/resources/META-INF/application.properties

...rocks/theodolite/benchmarks/uc4/beam/PipelineFactory.java

...4-beam/src/main/resources/META-INF/application.properties