Merge pull request #3 from bbc/reduce-netty-dependencies

Reduced netty usage to the required artifact.

Author: vzhn

pom.xml

@@ -27,8 +27,8 @@
     <dependencies>
         <dependency>
             <groupId>io.netty</groupId>
-            <artifactId>netty-all</artifactId>
-            <version>4.1.42.Final</version>
+            <artifactId>netty-codec-http</artifactId>
+            <version>4.1.47.Final</version>
             <scope>compile</scope>
         </dependency>
         <dependency>