add info optional parameter

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

@@ -27,6 +27,8 @@ public interface BasicCommands {
     String shutdown();
 
     String info();
+    
+    String info(String section);
 
     String slaveof(String host, int port);
 

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

@@ -648,6 +648,10 @@ public class BinaryClient extends Connection {
     public void info() {
 	sendCommand(INFO);
     }
+    
+    public void info(final String section) {
+	sendCommand(INFO, section);
+    }
 
     public void monitor() {
 	sendCommand(MONITOR);

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

@@ -2825,6 +2825,11 @@ public class BinaryJedis implements BasicCommands, BinaryJedisCommands, MultiKey
 	client.info();
 	return client.getBulkReply();
     }
+    
+    public String info(final String section) {
+	client.info(section);
+	return client.getBulkReply();
+    }
 
     /**
      * Dump all the received requests in real time.

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

@@ -58,6 +58,8 @@ public class ControlCommandsTest extends JedisCommandTestBase {
     public void info() {
         String info = jedis.info();
         assertNotNull(info);
+        info = jedis.info("server");
+        assertNotNull(info);
     }
 
     @Test