PR:2209&2922 - Adding cassandra_server_ip in contrail-analytics-api.conf

Change-Id: Iad4919f45f9f93bd6cfb256ba8b7134be9c95bd1
Fix bug 1343493 rabbitmq config needs to be set only in the config nodes.

Change-Id: I73b4d2a20bf760d02f5e9d96f180bf7d397066bd
    Bug: 1338842
    1. Ceph firefly support added
    2. Fixed PG num set issue
    3. Fixed osd create issue
    4. added rabbit host to master cinder config

Change-Id: I2d4f57407d07e426c5e249d9adf2cd147e0944e5
Merge "PR:2209&2922 - Adding cassandra_server_ip in contrail-analytics-api.conf"
Chown the keystone log dir.

Change-Id: Iaab9690d7388f55e8bafef916fc0b03a12d70881