Re-organise node structure and loading to make things somewhat more

simple. This also adds the ability to display servers on the treeview.

web/pgadmin/misc/views.py

@@ -0,0 +1,27 @@
+##########################################################################
+#
+# pgAdmin 4 - PostgreSQL Tools
+#
+# Copyright (C) 2013 - 2015, The pgAdmin Development Team
+# This software is released under the PostgreSQL Licence
+#
+##########################################################################
+
+"""A blueprint module providing utility functions for the application."""
+MODULE_NAME = 'misc'
+
+import config
+from flask import Blueprint, render_template
+from flask.ext.security import login_required
+
+# Initialise the module
+blueprint = Blueprint(MODULE_NAME, __name__, static_folder='static', template_folder='templates', url_prefix='')
+
+##########################################################################
+# A special URL used to "ping" the server
+##########################################################################
+@blueprint.route("/ping")
+def ping():
+    """Generate a "PING" response to indicate that the server is alive."""
+    return "PING"
+