Revert removals from 6c2b23f

We have an ancient version of regions that has not yet been migrated which requirequires the variables that were removed

Signed-off-by: Peter Ansell <p_ansell@yahoo.com>

ansible/roles/regions/templates/regions-config.properties

@@ -8,6 +8,9 @@ contextPath={{ regions_context_path }}
 grails.serverURL={{ regions_base_url }}{{ regions_context_path }}
 uriFilterPattern={{ regions_uri_filter_pattern | default('/admin.*') }}
 uriExclusionFilterPattern=/images.*,/css.*,/js.*,/less.*,/vendor.*
+casServerName={{ auth_base_url }}
+casServerLoginUrl={{ auth_cas_url }}/login
+casServerUrlPrefix={{ auth_cas_url }}
 gateway=false
 security.cas.casServerName={{ auth_base_url }}
 security.cas.casServerUrlPrefix={{ auth_base_url }}/cas