Merge Pull Request #686 into master

channel/channel_factory.py

@@ -17,4 +17,7 @@ def create_channel(channel_type):
     elif channel_type == 'terminal':
         from channel.terminal.terminal_channel import TerminalChannel
         return TerminalChannel()
+    elif channel_type == 'wechatmp':
+        from channel.wechatmp.wechatmp_channel import WechatMPServer
+        return WechatMPServer()
     raise RuntimeError