Added excpetion handling while connecting to zookeeper. Also fixed some pep8 issues
Added reconnect logic for redis connection
Optimizations for better flow setup rate.
    - avoid instanstiation of routekey for LPM find.
    - for entry create take last modified time from setup time instead of
      UTCtimestamp
    - avoid exporting flow stats as part of flow create, those will be sent
      in the next cycle of flowstatscollector.
Taking care of review comment.
Add service chain and static route sandesh UT
Merge branch 'master' into utcov
Change arguments to find and get functions of patricia to be constants.
moving GetUcRoute to flow_table.cc
As per review comments.
Merge remote-tracking branch 'upstream/master'
using API GetInet4UnicastRouteTable as per review comment.
Merge branch 'master' into sb
Add ability to send flow sandesh messages in mock_generator via
--num_flows_per_instance option
Merge pull request #223 from Juniper/contrail_status_fix

bug fix in contrail-status
Merge pull request #224 from Juniper/meghb_mock

Add ability to send flow sandesh messages in mock_generator
Use hostname instead of module name since it is unique when sending uves
Merge pull request #225 from Juniper/meghb_fscale

Use hostname instead of module name since it is unique when sending uves
Merge pull request #192 from Prabhjot-Sethi/master

Optimizations for better flow setup rate.
Add virtual-machine to project link in schema
Merge remote branch 'upstream/master'
Merge pull request #227 from haripk/master

Add virtual-machine to project link in schema

Reviewed by Ajay
Code cleanup for agent_route.h and agent_route.cc