erp5.erp5: Do not escape publish_dict's values.

They contain section references, not immediate values, so they are intended
to be evaluated by buildout and hence must not be escaped.

stack/erp5/buildout.cfg

@@ -296,7 +296,7 @@ extra-context =
 [template-erp5]
 < = download-base
 filename = instance-erp5.cfg.in
-md5sum = dcfc083916510848eabd73660397d741
+md5sum = baa8fe283c89cfbc314e033e78ed5705
 
 [template-neo]
 < = download-base

stack/erp5/instance-erp5.cfg.in

@@ -208,7 +208,7 @@ recipe = slapos.cookbook:publish.serialised
 deadlock-debugger-password = ${deadlock-debugger-password:passwd}
 inituser-password = ${inituser-password:passwd}
 {% for name, value in publish_dict.items() -%}
-{{   name }} = {{ dumps(value) }}
+{{   name }} = {{ value }}
 {% endfor -%}
 
 [buildout]