Make the analysis of experiments more flexible

• Allow arbitrary prometheus range queres (update prometheusResponse)
• Allow usage of more than one slo checker
• Update the json which send to the python slo checker
• refactoring
• Update CRDs in order to set the query string as an dedicated parameter for a slo checker
• Update exisiting python slo checker in order to use the new JSON format (handled in !185 (merged))

Closes #249 (closed)

theodolite/src/main/resources/application.properties

@@ -4,6 +4,3 @@ quarkus.native.additional-build-args=\
   --initialize-at-run-time=io.fabric8.kubernetes.client.dsl.internal.core.v1.PodOperationsImpl$1,\
   --initialize-at-run-time=io.fabric8.kubernetes.client.dsl.internal.core.v1.PodOperationsImpl$3,\
   --report-unsupported-elements-at-runtime
-
-prom.record.lag.query="sum by(group)(kafka_consumergroup_group_lag >= 0)"
-prom.dropped.records.query="sum by(job) (kafka_streams_stream_task_metrics_dropped_records_total>=0)"