Add service chain and static route sandesh UT
Merge branch 'master' into utcov
Fix agent crash due to wrong DB name registered.
Remove reference to Agent::GetInstance() from agent_route.cc and vrf.cc
Merge pull request #219 from Juniper/utcov

Utcov
Initialize agent_ in constructor
Merge pull request #231 from praveenkv/master

Fix agent crash due to wrong DB name registered.
Unit test cases for VN UVE
A new UVE message is added in collector to keep track of the sandesh
messages statistics per minute. Current counters track only the running
sum since epoch.
Code changes:
A new UVE sandesh message is added in collector_uve.sandesh
In generator.cc, functions to update the statistics counter for
each messages and get the per minute statistics for each mesasge
is added.
In collector.cc, a function that gets called every min to get all
the stats collected from each generator is provided. After that it
gets sent.
bring latest contrail-dbutils from bitbucket
proper cleanup on service exit
Merge pull request #234 from Juniper/development1

bring latest contrail-dbutils from bitbucket
DeleteSession instead of Close
DeleteSession instead of Close(fixed typo)
Merge pull request #235 from Juniper/clnup

proper cleanup on service exit
* While searching for interface using index, ignore delete marked interface
* Test case for same
Merge pull request #236 from naveen-n/master

* While searching for interface using index, ignore delete marked interf...
* Ignore delete marked VRF, while doin search from index tree.
  Test case already committed
Merge pull request #237 from naveen-n/master

* Ignore delete marked VRF, while doin search from index tree.
Merge remote branch 'upstream/master'
Changes made in generator.h to make the vaiables atomic.
The variables are being read/written by different threads
and to avoid any consistency problem, making it atomic