Support dynamic change of tunnel encapsulation - handle NH change for existing VM in case of encap change
Cosmetic changes - rename of variable and addition of logs/comments
Add service chain and static route sandesh UT
Merge branch 'master' into utcov
Merge pull request #219 from Juniper/utcov

Utcov
Merge pull request #231 from praveenkv/master

Fix agent crash due to wrong DB name registered.
Add X-TENANT-ID header to the metadata request sent to nova api
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...
Add agent route walker and move encap change walk to use the same
* Ignore delete marked VRF, while doin search from index tree.
  Test case already committed
fix test case