Fixed the issue,
Problem is,while switching the tabs in flow records rendering again so not able to retain the queried data in grid
Fix is,if the grid is already rendered we are not rendering it again

Change-Id: I5dc8835bd117a982e76c708135ede21622d520ca
Merge pull request #6 from vishnuvv/Underlay

Fixed the issue,
1. Added the logic to get the pRouter name from IP.
   Look up the ARP table, match the IP and then find the corresponding mac in
   ifTable.
2. Added node and links information in trace route from HTTP introspect
   response.
Merge pull request #7 from rajreddy/trace

1. Added the logic to get the pRouter name from IP.
Added the following changes
    1)Search flows tab changes
      a)Map Flow which will be highlighted when we select any row in the flow grid and onclick shows the underlay path of the overlay flow in topology
      b)Added the vRouter in the where clause
      c)Changed the default time to 10 mins
    2)Changed the link tooltip content with interfaces

Change-Id: I2b03ad585f23768c3ce3db3358f4ad4ef5810e3c
Merge pull request #8 from vishnuvv/Underlay

Added the following changes
Added the start_time and end_time in the underlay path query and values are setting based on the flow records query executing time

Change-Id: I985dce35b14d2362f0d025eb029a018731684533
Merge pull request #9 from vishnuvv/Underlay

Added the start_time and end_time in the underlay path query and values ...
1. Exposing APIs
    a.Stats between two prouters
    b.vRouter stats
    c.Changing the more_attributes of prouter topology node to have an array to
      incorporate multile interfaces.
    d.Trace flow can take input as vrf ID as well along with vrfName
Merge pull request #10 from rajreddy/underlay

1. Exposing APIs
Did following changes,
1)Implemented the graphs in details tab on click of link between the prouter <--> prouter and prouter <--> vrouter
2)Added the trace path with vrouter dropdown,which is in context sync with topology selected node(means if we select the vrouter in topology and click on the trace flow tab dropdown auto populated with the selected vrouter)
  Same tab contains the grid populated with the active flows from the introspect of the selected vrouter,where we can select the flow and Trace Flow button gives the trace path of the flow

Change-Id: I4a1bba477acbfcccefdc20f9288c1f324b6c3ba7
Removing redundant cfilt fields.
Merge pull request #12 from rajreddy/async

Removing redundant cfilt fields.
Merge pull request #11 from vishnuvv/Underlay

Did following changes,
Did following changes
    1)Added the flag based on which the topology changes will be displayed in UI
    2)Added the direction column in the trace flow grid and picking vrouter ip based on the direction and some minor bug fixes

Change-Id: I4c79840889edc2fe4be98367148a2c5ea787afed
Merge pull request #13 from vishnuvv/Underlay

Did following changes
Following items are added/corrected.
1) Clicking on Vrouter when other vrouter is already selected doesnt highlight new vrouter
2) show list of interfaces & if_indices - included in tooltip
3) more_attr in links is array now, so changed to code.
4) Some places 'more-attr' is used and in some places 'more_attributes' is used.
We decided to use 'more_attributes' everywhere. Changed the reference of this
term in UI.