neutron.conf should not be readable from other users

[LeileiZhou]

/etc/neutron/neutron.conf contains secrete as:
=============================================================
qpid_password=
nova_admin_password =

[keystone_authtoken]
auth_uri = http://ip:5000/v2.0
auth_host = 9.114.170.181
auth_port = 35357
auth_protocol = http
admin_tenant_name = service
admin_user = neutron
admin_password =
signing_dir = /var/lib/neutron/keystone-signing

[database]
# This line MUST be changed to actually run the plugin.
# Example:
# connection = mysql://root:pass@127.0.0.1:3306/neutron
# Replace 127.0.0.1 above with the IP address of the database used by the
# main neutron server. (Leave it as is if the database runs on this host.)
connection =
=============================================================

neutron.conf should not be readable for other users.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/121477

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/121477
Committed: https://git.openstack.org/cgit/stackforge/cookbook-openstack-network/commit/?id=45693ddacfdd81d105380bf250688820e05d36b0
Submitter: Jenkins
Branch: master

commit 45693ddacfdd81d105380bf250688820e05d36b0
Author: leileiz <email address hidden>
Date: Mon Sep 15 05:08:13 2014 -0400

    Update neutron.conf permission

    To avoid other users to access scecret in neutron.conf, set the
    file permission to 640 instead of 644

    Fix bug 1369455

    Change-Id: Ied4bd43ed3ecdfdb97d3b7be10b8af9548d4e762