Updated openstack/openstack
Project: openstack/horizon  1d935e6b165ff58df8ae5faf74821292e2143d84
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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: I098875288a7090de75110166b72cc00181ff278c