Don't pass in 'root' as para to LocalStatusFolders

They have the Repository() which contains the root, so no need to pass
it in as an extra parameter. Rename repository.LocalStatus()'s
self.directory to self.root for consistency with other backends.

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

offlineimap/folder/LocalStatusSQLite.py

@@ -46,10 +46,8 @@ class LocalStatusSQLiteFolder(LocalStatusFolder):
     #current version of our db format
     cur_version = 1
 
-    def __init__(self, root, name, repository):
-        super(LocalStatusSQLiteFolder, self).__init__(root, name, 
-                                                      repository)       
-
+    def __init__(self, name, repository):
+        super(LocalStatusSQLiteFolder, self).__init__(name, repository)       
         # dblock protects against concurrent writes in same connection
         self._dblock = Lock()
         #Try to establish connection, no need for threadsafety in __init__