packaging support for openstack juno release
modified contrail-install-package to include setup.sh based on sku
different setup.sh for juno
different control and rules files for juno for contrail-openstack as it is with stock dashboard.
installation goes through file with local cache, which is populated from trusry and cloudarchieve:juno
all openstack packages are from cloudarchieve:juno

Change-Id: I475f6e3a7e0587569e1134affa6cff94102864b2