Upgrade Netty 3.10.0, close AsyncHttpClient#780

Author: Stephane Landelle

providers/netty3/pom.xml

@@ -39,7 +39,7 @@
 		<dependency>
 			<groupId>io.netty</groupId>
 			<artifactId>netty</artifactId>
-			<version>3.9.5.Final</version>
+			<version>3.10.0.Final</version>
 		</dependency>
 		<dependency>
 			<groupId>org.asynchttpclient</groupId>