refactor morituri.common.directory to shed Directory() and bulk

morituri/common/config.py

@@ -33,18 +33,12 @@ from morituri.common import directory, log
 class Config(log.Loggable):
 
     def __init__(self, path=None):
-        if not path:
-            path = self.getDefaultPath()
-
-        self._path = path
+        self._path = path or directory.config_path()
 
         self._parser = ConfigParser.SafeConfigParser()
 
         self.open()
 
-    def getDefaultPath(self):
-        return directory.Directory().getConfig()
-
     def open(self):
         # Open the file with the correct encoding
         if os.path.exists(self._path):