[Sahara] The auto security group option should be selected by default.

[Nikita Konovalov]

When creating a Node Group Template, the checkbox for automatic security group should be checked by default.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: stable/juno
Review: https://review.openstack.org/129832

[Akihiro Motoki (amotoki)]

The proposed fix against the master branch is https://review.openstack.org/#/c/128263/

[OpenStack Infra (hudson-openstack)]

Change abandoned by Ihar Hrachyshka (<email address hidden>) on branch: stable/juno
Review: https://review.openstack.org/129832
Reason: Wrong Change-Id.

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/128263
Committed: https://git.openstack.org/cgit/openstack/horizon/commit/?id=e8c94a12b13ed791fd47783f83a133aa630a3bdd
Submitter: Jenkins
Branch: master

commit e8c94a12b13ed791fd47783f83a133aa630a3bdd
Author: Nikita Konovalov <email address hidden>
Date: Tue Oct 14 17:01:54 2014 +0400

    [Data_processing] auto security group

    Set auto_security_group field checked by default.
    This change also sets the value for copy workflow.

    Closes-Bug: #1383600
    Change-Id: I2e8f716bb4733d5bd48100396a63b79b4fc6225a