Merge pull request #2 from vishnuvv/Underlay

Initial checkin for UI underlay overlay topology changes which includes ...
Added file to build the QE queries
Merge pull request #3 from rajreddy/apis

Added file to build the QE queries
In stead of flushall, do selective db flush, as we are now sharing the same redis instance as analytics

Change-Id: I907045f70b63af106ee553eb055ebd863894b52e
(cherry picked from commit a8351cb6734ca1062dde9bc284432efd98eb44be)
Merge pull request #4 from rajreddy/mandal_redis_flush_fix

In stead of flushall, do selective db flush, as we are now sharing the s...
Following features are added.

1) Show VMs if any, on click of vrouter
2) Pan, zoom are corrected.
3) If URL has other query params except what is required to draw topology, no additional ajax is sent.
4) Partial implementation of Trace flow.
5) Post data on search flow includes 'where' clause data.
6) clicking on link between prouters/vrouters populates 'Details' tab with interface information.
7) clicking on prouter, shows basic information on 'Details' tab.
Merge pull request #5 from rajreddy/webui

Following features are added.
Adding tooltip content template
Merge pull request #6 from rajreddy/webui

Adding tooltip content template
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: I28c689f808a971be39672396af365b17bf2a411a