Embed the appliances in the server.

This add a /appliances call

gns3server/handlers/api/controller/__init__.py

@@ -23,4 +23,5 @@ from .server_handler import ServerHandler
 from .drawing_handler import DrawingHandler
 from .symbol_handler import SymbolHandler
 from .snapshot_handler import SnapshotHandler
+from .appliance_handler import ApplianceHandler
 from .gns3_vm_handler import GNS3VMHandler

gns3server/handlers/api/controller/appliance_handler.py

@@ -0,0 +1,37 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2015 GNS3 Technologies Inc.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+from gns3server.web.route import Route
+from gns3server.controller import Controller
+
+import logging
+log = logging.getLogger(__name__)
+
+
+class ApplianceHandler:
+    """API entry points for appliance management."""
+
+    @Route.get(
+        r"/appliances",
+        description="List of appliance",
+        status_codes={
+            200: "Appliance list returned"
+        })
+    def list(request, response):
+
+        controller = Controller.instance()
+        response.json([c for c in controller.appliances.values()])