Open Kilo development
Open Kilo development

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

Change-Id: If6d075d7da702a38c539a10c191f23481cb34510

rh-s/heat,openstack/heat,rdo-management/heat,cryptickp/heat,pshchelo/heat,cryptickp/heat,pratikmallya/heat,dragorosson/heat,noironetworks/heat,rdo-management/heat,maestro-hybrid-cloud/heat,gonzolino/heat,srznew/heat,cwolferh/heat-scratch,openstack/heat,pshchelo/heat,cwolferh/heat-scratch,noironetworks/heat,steveb/heat,steveb/heat,dragorosson/heat,jasondunsmore/heat,miguelgrinberg/heat,takeshineshiro/heat,miguelgrinberg/heat,maestro-hybrid-cloud/heat,rh-s/heat,dims/heat,srznew/heat,dims/heat,jasondunsmore/heat,takeshineshiro/heat,gonzolino/heat,pratikmallya/heat