Fix for Bug 1330356: Handling case where some data might not be available from the flow-series.
Fix for Bug 1330356: Handling case where some data might not be
available from the flow-series.

vishnuvv/contrail-web-core,nagakiran/contrail-web-core,varunarya10/contrail-web-core,varunarya10/contrail-web-core,hari-sk/contrail-web-core,vishnuvv/contrail-web-core,biswajit-mandal/contrail-web-core,nagakiran/contrail-web-core,vishnuvv/contrail-web-core,nagakiran/contrail-web-core,hari-sk/contrail-web-core,varunarya10/contrail-web-core,biswajit-mandal/contrail-web-core,biswajit-mandal/contrail-web-core,hari-sk/contrail-web-core