Migrate UC3 (fka UC4) for Flink

theodolite-benchmarks/settings.gradle

.../uc3-application-flink/.settings/org.eclipse.jdt.ui.prefs

...cation-flink/.settings/qa.eclipse.plugin.checkstyle.prefs

...3-application-flink/.settings/qa.eclipse.plugin.pmd.prefs

theodolite-benchmarks/uc3-application-flink/Dockerfile

theodolite-benchmarks/uc3-application-flink/build.gradle

...in/java/theodolite/uc3/application/ConfigurationKeys.java

...va/theodolite/uc3/application/HistoryServiceFlinkJob.java

...olite/uc3/application/HourOfDayProcessWindowFunction.java

...va/theodolite/uc3/application/StatsAggregateFunction.java

...in/java/theodolite/uc3/application/util/HourOfDayKey.java

.../theodolite/uc3/application/util/HourOfDayKeyFactory.java

...va/theodolite/uc3/application/util/HourOfDayKeySerde.java

...eodolite/uc3/application/util/HourOfDayRecordFactory.java

...in/java/theodolite/uc3/application/util/StatsFactory.java

...java/theodolite/uc3/application/util/StatsKeyFactory.java

...a/theodolite/uc3/application/util/StatsRecordFactory.java

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