Updated openstack/openstack
Project: openstack/horizon  d25b0a6d2e4ea5b757238c81305c5afce7903a41

Open Kilo development

Bump pre-version to 2015.1 to formally open master branch to Kilo
development.

Change-Id: I2ff0fb19a894cb6018807d667e233f4fa6dfa83c