update on response time processing

...rc/tools/descartes/dql/connector/kieker/KiekerHelper.java

...onnector/kieker/PerformanceMetricsQueryConnectorImpl.java

.../dql/connector/kieker/filter/ClassAndInterfaceFilter.java

...s/descartes/dql/connector/kieker/filter/KiekerReader.java

...cartes/dql/connector/kieker/filter/KiekerTraceLoader.java

...tes/dql/connector/kieker/structures/classes/ClassMap.java

.../dql/connector/kieker/structures/classes/ClassMapKey.java

...ql/connector/kieker/structures/classes/ClassMapValue.java

.../connector/kieker/structures/interfaces/InterfaceMap.java

...nnector/kieker/structures/interfaces/InterfaceMapKey.java

...ector/kieker/structures/interfaces/InterfaceMapValue.java