making imports work; runs now.

Author: dimpase

sagenb/__init__.py

@@ -1,2 +1,3 @@
 # -*- coding: utf-8 -*
   # init
+from . import storage

sagenb/notebook/__init__.py

@@ -1,2 +1,2 @@
 # -*- coding: utf-8 -*
-
+from . import user_manager

sagenb/notebook/notebook.py

@@ -148,7 +148,7 @@ def __init__(self, dir, user_manager = None):
             # Worksheet has never been saved before, so the server conf doesn't exist.
             self.__worksheets = WorksheetDict(self)
 
-        from .user_manager import SimpleUserManager, OpenIDUserManager
+        from sagenb.notebook.user_manager import SimpleUserManager, OpenIDUserManager
         self._user_manager = OpenIDUserManager(conf=self.conf()) if user_manager is None else user_manager
 
         # Set up email notification logger