Add an accessor method for title. As title is part of the interface

IComment for which we <require> zope2.View a permission check will raise
Unauthorized cause we can not assure that the user's userfolder is in 
the acqusition chain of the object (the attribute is a bare unicode object).
It works for methods. im_self is used to get the acquisition wrapped
object.

svn path=/plone.app.discussion/trunk/; revision=29199

plone/app/discussion/comment.py

@@ -64,6 +64,10 @@ class Comment(DynamicType, Traversable, RoleManager, Owned, Implicit):
         """The id of the comment, as a string
         """
         return self.id
+    
+    def getText(self):
+        '''the text'''
+        return self.text
 
     def Title(self):
         """The title of the comment
@@ -104,4 +108,4 @@ def notify_content_object(obj, event):
     """Tell the content object when a comment is added
     """
     content_obj = aq_parent(aq_parent(obj))
-    content_obj.reindexObject(idxs=('total_comments', 'last_comment_date', 'commentators',))
+    content_obj.reindexObject(idxs=('total_comments', 'last_comment_date', 'commentators',))

plone/app/discussion/configure.zcml

@@ -21,7 +21,7 @@
     <!-- Comments -->
     <class class=".comment.Comment">
         <require interface=".interfaces.IComment" permission="zope2.View" />
-        <require attributes="Title Creator getId" permission="zope2.View" />
+        <require attributes="Title Creator getId getText" permission="zope2.View" />
     </class>
 
     <utility