Merge pull request #601 from HeartSaVioR/master

Reflect recent version to maven dependency explain

Author: HeartSaVioR

README.md

@@ -48,7 +48,7 @@ Or use it as a maven dependency:
 <dependency>
     <groupId>redis.clients</groupId>
     <artifactId>jedis</artifactId>
-    <version>2.2.1</version>
+    <version>2.4.2</version>
     <type>jar</type>
     <scope>compile</scope>
 </dependency>