Infra changes for Node dashboards
Infra changes for Node dashboards

Updated vrouter config and re-enabled vrouter dashboard that's
disabled with infra changes.

Change-Id: If17113f5ba60dffb92576746582172b7b6f5bdcd
Related-Bug: #1740382

biswajit-mandal/contrail-web-core,biswajit-mandal/contrail-web-core,biswajit-mandal/contrail-web-core