Remove 'config' as parameter from BaseFolder & derivatives

It is possible to get the config parameter from the Repository() which is
set in BaseFolder, so we set self.config there and remove the various
methods and 'config' parameters that are superfluous.

Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>

offlineimap/folder/LocalStatusSQLite.py

@@ -46,10 +46,9 @@ class LocalStatusSQLiteFolder(LocalStatusFolder):
     #current version of our db format
     cur_version = 1
 
-    def __init__(self, root, name, repository, config):
+    def __init__(self, root, name, repository):
         super(LocalStatusSQLiteFolder, self).__init__(root, name, 
-                                                      repository, 
-                                                      config)       
+                                                      repository)       
 
         # dblock protects against concurrent writes in same connection
         self._dblock = Lock()