Fix ReST transform

Add a local template due a bug into docutils, that is not able to
resolve relative url.

product/PortalTransforms/transforms/rest.py

@@ -2,6 +2,7 @@ from Products.PortalTransforms.interfaces import ITransform
 from zope.interface import implements
 from reStructuredText import HTML
 import sys
+import os
 
 class rest:
     r"""Converts from reST to HTML.
@@ -57,8 +58,10 @@ class rest:
         output_encoding = kwargs.get('output_encoding', encoding)
         language        = kwargs.get('language', 'en') 
         warnings        = kwargs.get('warnings', None)
+        rest_template = os.path.join(os.path.dirname(__file__), 'rest.template')
         settings = {'documentclass': '',
                     'traceback': 1,
+                    'template' : rest_template
                }
         html = HTML(orig, 
                     report_level=2,

product/PortalTransforms/transforms/rest.template

+%(head_prefix)s
+%(head)s
+%(stylesheet)s
+%(body_prefix)s
+%(body_pre_docinfo)s
+%(docinfo)s
+%(body)s
+%(body_suffix)s