Impmented SAVE command

src/test/java/redis/clients/jedis/tests/commands/PersistenceControlCommandsTest.java

@@ -0,0 +1,11 @@
+package redis.clients.jedis.tests.commands;
+
+import org.junit.Test;
+
+public class PersistenceControlCommandsTest extends JedisCommandTestBase {
+    @Test
+    public void save() {
+	String status = jedis.save();
+	assertEquals("OK", status);
+    }
+}