#202 modification displayed on folders

tracim/tracim/model/serializers.py

             id=content.content_id,
             label=content.label,
             created=content.created,
+            updated=content.last_revision.updated,
+            last_modification_author=context.toDict(content.last_revision.owner),
+            revision_nb=len(content.revisions),
             workspace=context.toDict(content.workspace),
             allowed_content=DictLikeClass(content.properties['allowed_content']),
             allowed_content_types=context.toDict(content.get_allowed_content_types()),

tracim/tracim/templates/folder/getone.mak

 
             <div style="margin: -1.5em auto -1.5em auto;" class="tracim-less-visible">
                 <% created_localized = h.get_with_timezone(result.folder.created) %>
-              <p>${_('folder created on {date} at {time} by <b>{author}</b>').format(date=h.date(created_localized), time=h.time(created_localized), author=result.folder.owner.name)|n}</p>
+                <% updated_localized = h.get_with_timezone(result.folder.updated) %>
+                <% last_modification_author = result.folder.last_modification_author.name %>
+                <p>${_('folder created on {date} at {time} by <b>{author}</b>').format(date=h.date(created_localized), time=h.time(created_localized), author=result.folder.owner.name)|n}
+                    % if result.folder.revision_nb > 1:
+                      ${_(' (last modification on {update_date} at {update_time} by {last_modification_author})').format(update_date=h.update_date(updated_localized), update_time=h.update_time(updated_localized), last_modification_author = last_modification_author)|n}
+                    % endif
+                </p>
             </div>
         </div>
     </div>