Refactor the bundle registry. Move it inside

the shell and expose the parts that should be
public to the shell dbus service.

shell/view/Shell.py

@@ -20,14 +20,16 @@ import logging
 import gobject
 import wnck
 
-from view.home.HomeWindow import HomeWindow
 from sugar.activity.activityhandle import ActivityHandle
 from sugar.graphics.popupcontext import PopupContext
+from sugar.activity import activityfactory
+import sugar
+
 from view.ActivityHost import ActivityHost
-from sugar.activity import activityfactory, bundleregistry
 from view.frame.frame import Frame
 from view.keyhandler import KeyHandler
-import sugar
+from view.home.HomeWindow import HomeWindow
+from model import bundleregistry
 
 class Shell(gobject.GObject):
     def __init__(self, model):

shell/view/frame/ActivitiesBox.py

@@ -20,9 +20,10 @@ import logging
 from sugar.graphics import units
 from sugar.graphics.xocolor import XoColor
 from sugar.graphics.iconbutton import IconButton
-from sugar.activity import bundleregistry
 from sugar import profile
 
+from model import bundleregistry
+
 class ActivityButton(IconButton):
     def __init__(self, activity, popup_context):
         IconButton.__init__(self, icon_name=activity.get_icon(),

shell/view/home/FriendView.py

@@ -17,11 +17,12 @@
 import hippo
 import gobject
 
-from view.BuddyIcon import BuddyIcon
 from sugar.graphics.canvasicon import CanvasIcon
 from sugar.graphics import units
 from sugar.presence import presenceservice
-from sugar.activity import bundleregistry
+
+from model import bundleregistry
+from view.BuddyIcon import BuddyIcon
 
 class FriendView(hippo.CanvasBox):
     def __init__(self, shell, menu_shell, buddy, **kwargs):