Update talkpage notice template

Exact date is not necessary and end could be ommited if of the same
month

Related Task: [https://fs.golderweb.de/index.php?do=details&task_id=93 FS#93]

lib/redfam.py

@@ -554,12 +554,13 @@ class RedFamWorker( RedFam ):
             param_cnt += 1
 
         # Add begin
-        template.add( "Beginn", self._mysql.data[ 'beginning' ].strftime(
-            "%d. %B %Y").lstrip("0"), True )
+        begin = self._mysql.data[ 'beginning' ].strftime( "%B %Y" )
+        template.add( "Beginn", begin, True )
 
-        # Add end
-        template.add( "Ende", self._mysql.data[ 'ending' ].strftime(
-            "%d. %B %Y").lstrip("0"), True )
+        # Add end (if not same as begin)
+        end = self._mysql.data[ 'ending' ].strftime( "%B %Y" )
+        if not end == begin:
+            template.add( "Ende", end, True )
 
         # Add link to related reddisc
         template.add( "Diskussion", self.get_disc_link(), True )