LVM & block_device Drivers: Some options are defined twice in the same group

[Emilien Macchi]

Flags "volume_clear" and "volume_clear_size" are defined twice (in LVM & block_device Drivers).

It prevents the cinder.conf.sample failure with the new config module in Oslo.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/39497

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/39497
Committed: http://github.com/openstack/cinder/commit/25cae8b320481947698ed6a73ef9ed260436a69c
Submitter: Jenkins
Branch: master

commit 25cae8b320481947698ed6a73ef9ed260436a69c
Author: Emilien Macchi <email address hidden>
Date: Wed Jul 31 16:47:37 2013 +0200

    LVM / Block Device Drivers: Fix duplicated flags

    - Import in lvm driver the duplicated flags from block_device driver.
    - Register volume_opts in block_device drivers

    Fix bug #1206944

    Change-Id: Icb2c9411be060065ecf5efed293bacd6b735e299

[Thierry Carrez (ttx)]

Keep it FixCommitted until it lands in a release