Added unwatch command

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

@@ -379,4 +379,8 @@ public class Client extends Connection {
     public void watch(String key) throws JedisException {
 	sendCommand("WATCH", key);
     }
+
+    public void unwatch() throws JedisException {
+	sendCommand("UNWATCH");
+    }
 }

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

@@ -491,4 +491,9 @@ public class Jedis {
 	return client.getStatusCodeReply();
     }
 
+    public String unwatch() throws JedisException {
+	client.unwatch();
+	return client.getStatusCodeReply();
+    }
+
 }