Refactor db_jobdata
In order to centralize the db managers as it is done in the Postgres branch we need to refactor the job_data module
Also, this solves the last issue we have with #73 where the graph data DB file is kept open when it is executed.
In order to centralize the db managers as it is done in the Postgres branch we need to refactor the job_data module
Also, this solves the last issue we have with #73 where the graph data DB file is kept open when it is executed.