Neutron configuration files should depend on target location

[Matt Kassawara]

Neutron configuration files should depend on target location. For example:

1) Only the server container needs the database connection string.

2) Only the agent container needs the L3, DHCP, metadata, and metering agents.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/174035

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/174035
Committed: https://git.openstack.org/cgit/stackforge/os-ansible-deployment/commit/?id=102fa9cf51b6b939418f8409e333103b3f6e74c3
Submitter: Jenkins
Branch: master

commit 102fa9cf51b6b939418f8409e333103b3f6e74c3
Author: Tom Cameron <email address hidden>
Date: Wed Apr 15 15:11:12 2015 -0400

    Perform Neutron actions based on target

    1) Only generate neutron configuration files necessary for
       each target.
    2) Limit database connection string in neutron.conf to server
       container.
    3) Limit database sync to neutron server container.

    Co-Authored-By: Matt Kassawara <email address hidden>
    Change-Id: Iba8903235675dec4e7bf6b01eeb130f7b43bbfef
    Closes-Bug: 1443927