Initial commit for contrail-config systemless test
- Includes Redis, Cassandra, zookeeper, ifmap, ApiServer and SchemaTransformer
- Does not run openstack
- DOES NOT include nodemgr, discovery (can be added) and svc-monitor (no novaclient)
Using python ifmap-client to check when ifmap becomes ready
Discovery stats
Merge pull request #334 from Juniper/disc_stats

Discovery stats
Introspec to take sg_id, sg_uuid or empty string
Merge pull request #336 from Juniper/add_test_cases

Introspec to take sg_id, sg_uuid or empty string
Merge pull request #335 from Juniper/ananth_bugs_fix

Reset keystone related info upon connection reset
Fixing dependencies for analytics coverage test
Merge pull request #337 from Juniper/anishm_cov_dep
Do not modify TcpSession::name_ unnecessarily during session closure