add some examples

examples/telnet.lua

@@ -0,0 +1,41 @@
+print("====Wicon, a LUA console over wifi.==========")
+print("Author: openthings@163.com. copyright&GPL V2.")
+print("Last modified 2014-11-19. V0.2")
+print("Wicon Server starting ......")
+
+function startServer()
+   print("Wifi AP connected. Wicon IP:")
+   print(wifi.sta.getip())
+   sv=net.createServer(net.TCP, 180)
+   sv:listen(8080,   function(conn)
+      print("Wifi console connected.")
+   
+      function s_output(str)
+         if (conn~=nil)    then
+            conn:send(str)
+         end
+      end
+      node.output(s_output,0)
+
+      conn:on("receive", function(conn, pl) 
+         node.input(pl) 
+         if (conn==nil)    then 
+            print("conn is nil.") 
+         end
+      end)
+      conn:on("disconnection",function(conn) 
+         node.output(nil) 
+      end)
+   end)   
+   print("Wicon Server running at :8080")
+   print("===Now,Using xcon_tcp logon and input LUA.====")
+end
+
+tmr.alarm(1000, 1, function() 
+   if wifi.sta.getip()=="0.0.0.0" then
+      print("Connect AP, Waiting...") 
+   else
+      startServer()
+      tmr.stop()
+   end
+end)