face: Implement WebSocket channel, face, and factory.

Change-Id: Ic4dbb1abdbbdbec028746ba14b11be8ab9cc1edb
Refs: #1468
diff --git a/daemon/face/websocketpp.hpp b/daemon/face/websocketpp.hpp
new file mode 100644
index 0000000..1e934b6
--- /dev/null
+++ b/daemon/face/websocketpp.hpp
@@ -0,0 +1,36 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
+/**
+ * Copyright (c) 2014  Regents of the University of California,
+ *                     Arizona Board of Regents,
+ *                     Colorado State University,
+ *                     University Pierre & Marie Curie, Sorbonne University,
+ *                     Washington University in St. Louis,
+ *                     Beijing Institute of Technology,
+ *                     The University of Memphis
+ *
+ * This file is part of NFD (Named Data Networking Forwarding Daemon).
+ * See AUTHORS.md for complete list of NFD authors and contributors.
+ *
+ * NFD 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.
+ *
+ * NFD 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
+ * NFD, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef NFD_DAEMON_FACE_WEBSOCKETPP_HPP
+#define NFD_DAEMON_FACE_WEBSOCKETPP_HPP
+
+// suppress websocketpp warnings
+#pragma GCC system_header
+#pragma clang system_header
+
+#include "websocketpp/config/asio_no_tls.hpp"
+#include "websocketpp/server.hpp"
+
+#endif // NFD_DAEMON_FACE_WEBSOCKETPP_HPP