Open Liberty development
Open Liberty development

Bump pre-version in setup.cfg to formally open Liberty development.
Kilo release branch is cut from the previous commit.

Change-Id: I53d22a6b9d3e058215432a507dfa56a0256548f4

openstack/murano,openstack/murano,olivierlemasle/murano,DavidPurcell/murano_temp,DavidPurcell/murano_temp,DavidPurcell/murano_temp,satish-avninetworks/murano,NeCTAR-RC/murano,chenyujie/hybrid-murano,olivierlemasle/murano,olivierlemasle/murano,satish-avninetworks/murano,DavidPurcell/murano_temp,NeCTAR-RC/murano,NeCTAR-RC/murano,NeCTAR-RC/murano,olivierlemasle/murano,sajuptpm/murano,satish-avninetworks/murano,sajuptpm/murano,chenyujie/hybrid-murano,satish-avninetworks/murano