Updated openstack/openstack
Project: openstack/nova  7965d5885cd7a50d6de43f07b228bd3b0ae661d7
null
Add block device mapping objects implementation

This patch introduces the basic block device mapping objects and list
classes and adds tests for the basic functionality.

Related to blueprint: icehouse-objects

Change-Id: I24ace8f730978d2e7046986f212c34604c7b7f20