Updated openstack/openstack
Project: openstack/cinder  994bd9e87e714275d8e4e87e60b0ee1dabd217c0
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Open Juno development

Bump preversion to 2014.2 to formally open Juno development.
The Icehouse release branch (milestone-proposed) will be cut
from the last commit before this one.

Change-Id: I0296da7e564db58d164d8d867c45959d425dea37