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.
Merge pull request #14 from rajreddy/webui

Following items are added/corrected.
Changing the exposed variable more_attr to more_attributes
Merge pull request #15 from rajreddy/more_attr

Changing the exposed variable more_attr to more_attributes
Added the two traffic charts from the prospective of either nodes in the details tab which will be displayed on click of the link between the prouter and prouter

Change-Id: Ibd3fce87854a2709f10a58282c50e889d220fb74