Add customizations for apt keys and packages
Add customizations for apt keys and packages

To customize apt packages, you need to do something like that in
override file:

{% set base_apt_packages = base_apt_packages + ['vim', 'emacs'] %}

Change-Id: I7913ed405c2cb7e33f1cfe310d651030e0700e6b
Partially-implements: blueprint third-party-plugin-support

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