Reorganize package structure for UC4

.../hazelcastjet/AggregatedActivePowerRecordAccumulator.java

.../benchmarks/uc4/hazelcastjet/ChildParentsTransformer.java

...dolite/benchmarks/uc4/hazelcastjet/EventDeserializer.java

...eodolite/benchmarks/uc4/hazelcastjet/HashMapSupplier.java

...heodolite/benchmarks/uc4/hazelcastjet/HistoryService.java

...c4/hazelcastjet/ImmutableSensorRegistryUc4Serializer.java

...heodolite/benchmarks/uc4/hazelcastjet/SensorGroupKey.java

...benchmarks/uc4/hazelcastjet/SensorGroupKeySerializer.java

...olite/benchmarks/uc4/hazelcastjet/Uc4PipelineFactory.java

...ks/theodolite/benchmarks/uc4/hazelcastjet/ValueGroup.java

...ite/benchmarks/uc4/hazelcastjet/ValueGroupSerializer.java

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

...eodolite/benchmarks/uc4/hazelcastjet/Uc4PipelineTest.java