Get config files for all openstack* packages

Instead of modifying the agent image on every service addition, we can
just get the config files for all the openstack services. The difference
in size is not really much (~20MB).

Change-Id: I42f5557517affa16254f3839b7d3459bb8e534d7

heat_docker_agent/configure_container.sh

@@ -53,13 +53,8 @@ yum install -y \
 yum install -y --downloadonly --downloaddir=/tmp/packages \
         libvirt-daemon-config-nwfilter \
         libvirt-daemon-kvm \
-        openstack-ceilometer-compute \
-        openstack-neutron \
-        openstack-neutron-ml2 \
-        openstack-neutron-openvswitch \
-        openstack-nova-common \
-        openstack-nova-compute \
-        python-nova
+        python-nova \
+        openstack-*
 
 CUR=$(pwd)
 cd /tmp/packages