Add clustering app

apps/clustering/__init__.py

@@ -0,0 +1,18 @@
+from __future__ import absolute_import
+
+from django.utils.translation import ugettext_lazy as _
+
+from scheduler.api import register_interval_job
+from navigation.api import bind_links
+from project_tools.api import register_tool
+
+from .tasks import refresh_node
+from .links import tool_link, node_list
+from .models import Node
+
+NODE_REFRESH_INTERVAL = 1
+
+register_interval_job('refresh_node', _(u'Update a node\'s properties.'), refresh_node, seconds=NODE_REFRESH_INTERVAL)
+
+register_tool(tool_link)
+bind_links([Node, 'node_list'], [node_list], menu_name='secondary_menu')