Align package structure

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

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

...dolite/benchmarks/commons/beam/kafka/EventTimePolicy.java

...s/commons/beam/kafka/KafkaActivePowerTimestampReader.java

...s/buildSrc/src/main/groovy/theodolite.hazelcastjet.gradle

theodolite-benchmarks/commons/build.gradle

...e/benchmarks/commons/model/records/ActivePowerRecord.avsc

...ks/commons/model/records/AggregatedActivePowerRecord.avsc

...rks/commons/model/records/DayOfWeekActivePowerRecord.avsc

...rks/commons/model/records/HourOfDayActivePowerRecord.avsc

...ks/commons/model/records/HourOfWeekActivePowerRecord.avsc

...s/commons/model/records/MonthOfYearActivePowerRecord.avsc

...nchmarks/commons/model/records/YearActivePowerRecord.avsc

...e/benchmarks/commons/model/records/ActivePowerRecord.java

...ks/commons/model/records/AggregatedActivePowerRecord.java

...rks/commons/model/records/DayOfWeekActivePowerRecord.java

...rks/commons/model/records/HourOfDayActivePowerRecord.java

...ks/commons/model/records/HourOfWeekActivePowerRecord.java

...s/commons/model/records/MonthOfYearActivePowerRecord.java

...nchmarks/commons/model/records/YearActivePowerRecord.java