Open Kilo development
Open Kilo development

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

Change-Id: Ia48ad29dc1b31b1fbcb14dfffad571659ec66700

openstack/networking-bigswitch,wolverineav/networking-bigswitch,wolverineav/networking-bigswitch,stackforge/networking-bigswitch,stackforge/networking-bigswitch,openstack/networking-bigswitch