* Renamed legend_add_comment to label_add_comment to have the translation from

plone domain.
* label_comment_by and label_commented_at are not in Plone 4 translation anymore, so
  these two messages moved to plone.app.discussions i18n domain.

svn path=/plone.app.discussion/trunk/; revision=38574

plone/app/discussion/browser/comments.pt

@@ -62,7 +62,7 @@
                 <h3 class="commentTitle"
                     tal:content="reply/Title" />
 
-                <div class="documentByLine">
+                <div class="documentByLine" i18n:domain="plone.app.discussion">
                         <tal:posted i18n:translate="label_comment_by">Posted by</tal:posted>
                         <tal:name>
                             <a href=""
@@ -144,7 +144,7 @@
 
         <fieldset>
 
-            <legend i18n:translate="legend_add_comment">Add comment</legend>
+            <legend i18n:translate="label_add_comment">Add comment</legend>
             <p i18n:translate="description_add_comment">
                 You can add a comment by filling out the form below. Plain text
                 formatting.
@@ -156,4 +156,4 @@
     </div>
 
 </tal:block>
-</tal:block>
+</tal:block>