Debian 8 was not released yet
Debian 8 was not released yet

We have to use 'debian:stretch' for pulling images as Debian 8 was not
released yet.

Change-Id: Ia1eee355826dcdae900131042941b0352cbad69f

stackforge/kolla,rahulunair/kolla,intel-onp/kolla,GalenMa/kolla,coolsvap/kolla,coolsvap/kolla,mrangana/kolla,nihilifer/kolla,coolsvap/kolla,intel-onp/kolla,stackforge/kolla,openstack/kolla,GalenMa/kolla,nihilifer/kolla,stackforge/kolla,openstack/kolla,mrangana/kolla,rahulunair/kolla