Open Stack

Hi, I'd like you to take a look at this patch for potential
DocImpact.
https://review.openstack.org/18224

Log:
commit da2cf858a7fc7f6d6a2db98c89e0ba2588196dfd
Author: Kravchenko Pavel <kpavel at il.ibm.com>
Date:   Tue Dec 25 19:39:10 2012 +0200

    add to driver option to keep disks when instance destroyed
    
    Adding delete_disks flag to destroy instance method.
    In case it's false the driver keeps disks.
    *required for blueprint rebuild-for-ha
    
    DocImpact
    
    Change-Id: I38c7833114d8414dff831c9cc0c04c4610dbd33a
    Co-authored-by: Oshrit Feder <oshritf at il.ibm.com>