support contrail-logs-api-audit wrapper script using contrail-logs closes bug: #1335267

Change-Id: Ia4fddf5774db424fc06e77fa031ea17ef5afe8c1
Allow other scripts on opencontrail-vrouter-netns

For example for script creating Docker service instance

Change-Id: If1ef83e7a4cd80c00732c012930d63f20547fe39
analytics does not depend on cassandra and config does not depends on
cassandra/zookeeper being installed locally
if they are in Recommends, they end up getting installed unnecessarily
Closes-Bug: #1370309

Change-Id: Ic66b905c83a5d0a166771a34962f4fe5ec65262b
Prepend contrail to dnsd, named, rndc and conf files.

Change-Id: I85c6ce07f809c507c6f21b383d1af941ee5d588b
snmp support
topology backend
snmp & topology support for centos
Merge pull request #8 from rajreddy/ted-rebased

Ted rebased