Replace spesb with theodolite at all places

.../theodolite/commons/kafkastreams/KafkaStreamsBuilder.java

uc1-application/build.gradle

...in/java/theodolite/uc1/application/ConfigurationKeys.java

.../main/java/theodolite/uc1/application/HistoryService.java

...java/theodolite/uc1/streamprocessing/TopologyBuilder.java

...eodolite/uc1/streamprocessing/Uc1KafkaStreamsBuilder.java

uc1-workload-generator/build.gradle

...c/main/java/theodolite/kafkasender/KafkaRecordSender.java

.../java/theodolite/uc1/workloadgenerator/LoadGenerator.java

uc2-application/build.gradle

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

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

...odolite/uc2/streamprocessing/ChildParentsTransformer.java

.../uc2/streamprocessing/ChildParentsTransformerFactory.java

...theodolite/uc2/streamprocessing/JointFlatTransformer.java

...ite/uc2/streamprocessing/JointFlatTransformerFactory.java

...a/theodolite/uc2/streamprocessing/JointRecordParents.java

...theodolite/uc2/streamprocessing/OptionalParentsSerde.java

...in/java/theodolite/uc2/streamprocessing/ParentsSerde.java

...ava/theodolite/uc2/streamprocessing/RecordAggregator.java