set the openstack version for branch

set the openstack version for branch

set the openstack version newton for danube
set the openstack version ocata for master
danube branch use the compass.iso
master branch use the compass.tar.gz
separate the branch in the different pod

Change-Id: Iec1e3206cac26bb2ad5379fa2600ede0451d997d
Signed-off-by: wutianwei <wutianwei1@huawei.com>