Integrated analytics Oracle stats changes in UI,bug id is #1350680

- Flowseries charts in Virtual Network details page and the inter vn stats page(When we click on the links in the topology)
- Earlier the time series charts are with 7 secs granularity and past 30mins now it is 30 secs granularity and past one hour data
- Earlier two queries were issuing for the IN & Out stats now we are getting in same query