Updated openstack/openstack
Project: openstack/ceilometer  3cc1345dd55f37a27a75f07d40bcb8594f80c331

Open Kilo development

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

Change-Id: I9818e8573c82c39f9f200c91ba629fd7a6353625