Add placement service

Nova dropped the placement service so we need to configure the
standalone placement service now.

Change-Id: I38f013db3c475fbb5429d3b3e13e95667dcc8c73

spec/acceptance/octavia_spec.rb

@@ -12,6 +12,7 @@ describe 'basic octavia' do
       include ::openstack_integration::mysql
       include ::openstack_integration::keystone
       if $::osfamily == 'RedHat' {
+        include ::openstack_integration::placement
         include ::openstack_integration::nova
       }