Add a pool for sharded jedis

src/main/java/redis/clients/jedis/ShardedJedis.java

@@ -31,14 +31,11 @@ public class ShardedJedis extends Sharded<Jedis, JedisShardInfo> implements
 
     public void disconnect() throws IOException {
         for (JedisShardInfo jedis : getAllShards()) {
+            jedis.getResource().quit();
             jedis.getResource().disconnect();
         }
     }
 
-    protected Jedis create(JedisShardInfo shard) {
-        return new Jedis(shard);
-    }
-
     public String set(String key, String value) {
         Jedis j = getShard(key);
         return j.set(key, value);