Merge pull request #25 from vishnuvv/Underlay

Removed the Map Reverse flow button in the VM flows where it is not appl...
First traverse all the links to get the vrouter as links to identify as TOR,
      then do rest of the processing.
Merge pull request #26 from rajreddy/topol

First traverse all the links to get the vrouter as links to identify as ...
Added the toggle sort of implemenation in row selection of grid in search flow

Change-Id: I1af5b7875bd301789437be48fe240a9b9b6144eb