Add amqp_password to the collector commandline arguments
Add amqp_password to the collector commandline arguments

If rabbit-server password is specified in the testbed.py, then it should
be passed in the command-line arguments to the analytics provisioning
script.

Change-Id: Ia1a93bebf555b346f417d1e775f575cea0c5c09a
Closes-Bug: #1674825

Juniper/contrail-fabric-utils,Juniper/contrail-fabric-utils