Upload volume to image fail on windows

[Claudiu Nesa]

Due to fact that when uploading a volume to an image the file is opened in text mode and the different line endings style on windows glance client won't be able to upload the desired file.
Trace: http://paste.openstack.org/show/87611/
The solutions is to simply open the file in binary mode when performing this action.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/109056

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/109056
Committed: https://git.openstack.org/cgit/openstack/cinder/commit/?id=9c1214fdedd1a6ee336f25f7f84079d5918c9ff5
Submitter: Jenkins
Branch: master

commit 9c1214fdedd1a6ee336f25f7f84079d5918c9ff5
Author: ClaudiuNesa <email address hidden>
Date: Tue Jul 22 18:16:15 2014 +0300

    Fixes Cinder volume upload to image on windows

    Due to fact that when uploading a volume to an image the file is
    opened in text mode and the different line endings style on
    windows glance client won't be able to upload the desired file.
    The solutions is to simply open the file in binary mode when
    performing this action.

    Change-Id: I51b084ce38e1aaad4ded63b75b097137dedc088c
    Closes-bug: 1346911