update netty to version 4.0.23 and jackson to version 2.4.2

frameworks/Java/netty/README.md

@@ -8,8 +8,8 @@ This is the netty portion of a [benchmarking test suite](../) comparing a variet
 ## Versions
 
 * [Java OpenJDK 1.7.0_09](http://openjdk.java.net/)
-* [Netty 4.0.21](http://netty.io/)
-* [Jackson 2.4.1](http://wiki.fasterxml.com/JacksonHome)
+* [Netty 4.0.23](http://netty.io/)
+* [Jackson 2.4.2](http://wiki.fasterxml.com/JacksonHome)
 
 ## References
 * https://github.com/netty/netty/tree/master/example/src/main/java/io/netty/example/http/snoop

frameworks/Java/netty/pom.xml

@@ -13,12 +13,12 @@
 		<dependency>
 			<groupId>io.netty</groupId>
 			<artifactId>netty-codec-http</artifactId>
-			<version>4.0.21.Final</version>
+			<version>4.0.23.Final</version>
 		</dependency>
 		<dependency>
 			<groupId>io.netty</groupId>
 			<artifactId>netty-transport-native-epoll</artifactId>
-			<version>4.0.21.Final</version>
+			<version>4.0.23.Final</version>
 			<classifier>linux-x86_64</classifier>
 		</dependency>
 		<dependency>