Implemented BGREWRITEAOF

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

@@ -519,4 +519,8 @@ public class Client extends Connection {
     public void bgsave() {
 	sendCommand("BGSAVE");
     }
+
+    public void bgrewriteaof() {
+	sendCommand("BGREWRITEAOF");
+    }
 }

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

@@ -612,4 +612,9 @@ public class Jedis {
 	client.bgsave();
 	return client.getStatusCodeReply();
     }
+
+    public String bgrewriteaof() {
+	client.bgrewriteaof();
+	return client.getStatusCodeReply();
+    }
 }