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

- Flowseries charts in VirtualMachine, 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
- Added the last 1 hr tag where ever we are displaying the last one hour stats
Conflicts:
	webroot/monitor/tenant-network/instance/ui/js/tenant_monitor_instance.js

Change-Id: I70f7c366a032915f17025062bba89da1afb9b276