implement latency

package.json

@@ -27,7 +27,7 @@
     "event-promise": "0.0.1",
     "flatmap": "0.0.3",
     "minecraft-data": "0.7.0",
-    "minecraft-protocol": "0.16.3",
+    "minecraft-protocol": "0.16.5",
     "mkdirp": "0.5.1",
     "moment": "^2.10.6",
     "node-dir": "~0.1.9",

src/lib/plugins/login.js

@@ -105,7 +105,7 @@ module.exports.player=function(player,serv)
         name: player.username,
         properties: player.profileProperties,
         gamemode: player.gameMode,
-        ping: 1
+        ping: player._client.latency
       }]
     });
 
@@ -116,9 +116,16 @@ module.exports.player=function(player,serv)
         name: otherPlayer.username,
         properties: otherPlayer.profileProperties,
         gamemode: otherPlayer.gameMode,
-        ping: 1
+        ping: otherPlayer._client.latency
       }))
     });
+    setInterval(() => player._client.write('player_info',{
+      action:2,
+      data:serv.players.map(otherPlayer => ({
+        UUID: otherPlayer._client.uuid,
+        ping:otherPlayer._client.latency
+      }))
+    }),5000);
   }
 
   function announceJoin()