logrotate: Manage log rotation for all OpenContrail services

This commit manage logrotation for all logs under contrail namespace,
and fix the config. for svc-monitor (now managed by contrail-config-openstack
package)

Change-Id: I1517dea41af2a8c61853e6095d90069b2102295e
Add google protobuf dev to build depends, and lib to depends and
include lib as part of contrail-install-packages

Change-Id: I625737c2c313f86b634ed57116e792ed136fefc8
readme file