Refs #3946 : Store execution of reports in database, add an actor to process it
Ref #3947: Add calls to new repository when needed
Fixes #3946: add a service to store and use node executions
Refs #3946: allow for reentrant use of the service
Refs #3946: implement proper use of execution nodes reports, by minimizing the number of query to the database
Refs #3946: correct logs messages
Add migration script!