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)

helm/README.md

@@ -47,7 +47,7 @@ helm install theodolite . -f preconfigs/one-broker-values.yaml
 To uninstall/delete the `theodolite` deployment:
 
 ```sh
-helm delete theodolite
+helm uninstall theodolite
 ```
 
 This command does not remove the CRDs which are created by this chart. Remove them manually with: