DCD-1190: Expect a space-delimited list of properties from the quickstart.

roles/bitbucket_config/templates/bitbucket.properties.j2

@@ -34,6 +34,6 @@ server.scheme=http
 server.proxy-port=80
 {% endif %}
 
-{% if atl_bitbucket_properties is defined %}
-{{ atl_bitbucket_properties }}
-{% endif %}
+{% for prop in atl_bitbucket_properties %}
+{{ prop }}
+{% endfor %}