Update jboss package netty 3.7.0 -> 3.9.2

- Update to latest netty 3.X release
   http://mvnrepository.com/artifact/io.netty/netty

Change-Id: If6c85677505860c90d4a42f027ef0d259644a9ab
diff --git a/pom.xml b/pom.xml
index fabb0e5..e246f63 100644
--- a/pom.xml
+++ b/pom.xml
@@ -695,7 +695,7 @@
       <!-- dependency to old version of netty? -->
       <groupId>io.netty</groupId>
       <artifactId>netty</artifactId>
-      <version>3.7.0.Final</version>
+      <version>3.9.2.Final</version>
     </dependency>
     <!-- Dependency for libraries used for testing -->
     <dependency>