traductions (et changement de balloonHelp qui était (il me semble) faux pour

les auteurs d'articles)

shared/common/ArticlesCommon.py

@@ -54,12 +54,8 @@ class AdminArticlesCommon(AdminCommon):
 
 class ArticleCommon(ObjectCommon):
     authorsSet = None
-    authorsSet_kind_balloonHelp = N_('Select an author (or a group of authors, '\
-            'or "None") for this article. '\
-            'Click on "[Others->buttons-others]" if it is not proposed in the list. '\
-            'Click on "Add" to add another one. '\
-            'Select "None" to remove one.'
-            'Authors have the same permissions as editors and readers.')
+    authorsSet_kind_balloonHelp = N_(
+        'Select an author (or a group of authors) for this article.')
     authorsSet_kindName = 'AuthorsSet'
 
     body = None