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/Base.py

@@ -36,6 +36,7 @@ class BaseFolder(object):
         self.ui = getglobalui()
         self.name = name
         self.repository = repository
+        self.config = repository.getconfig()
 
     def getname(self):
         """Returns name"""

offlineimap/folder/IMAP.py

@@ -35,7 +35,6 @@ class IMAPFolder(BaseFolder):
     def __init__(self, imapserver, name, visiblename, repository):
         name = imaputil.dequote(name)
         super(IMAPFolder, self).__init__(name, repository)
-        self.config = imapserver.config
         self.expunge = repository.getexpunge()
         self.root = None # imapserver.root
         self.sep = imapserver.delim

offlineimap/folder/LocalStatus.py

@@ -26,15 +26,15 @@ except NameError:
 magicline = "OFFLINEIMAP LocalStatus CACHE DATA - DO NOT MODIFY - FORMAT 1"
 
 class LocalStatusFolder(BaseFolder):
-    def __init__(self, root, name, repository, config):
+    def __init__(self, root, name, repository):
         super(LocalStatusFolder, self).__init__(name, repository)
         self.root = root
         self.sep = '.'
-        self.config = config
         self.filename = os.path.join(root, self.getfolderbasename())
         self.messagelist = {}
         self.savelock = threading.Lock()
-        self.doautosave = config.getdefaultboolean("general", "fsync", False)
+        self.doautosave = self.config.getdefaultboolean("general", "fsync",
+                                                        False)
         """Should we perform fsyncs as often as possible?"""
 
     def storesmessages(self):

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()

offlineimap/folder/Maildir.py

@@ -58,10 +58,9 @@ def gettimeseq():
         timelock.release()
 
 class MaildirFolder(BaseFolder):
-    def __init__(self, root, name, sep, repository, config):
+    def __init__(self, root, name, sep, repository):
         super(MaildirFolder, self).__init__(name, repository)
-        self.config = config
-        self.dofsync = config.getdefaultboolean("general", "fsync", True)
+        self.dofsync = self.config.getdefaultboolean("general", "fsync", True)
         self.root = root
         self.sep = sep
         self.messagelist = None