upgrade netty to 4.1.29.Final, support java 10. fix #24

pom.xml

@@ -144,6 +144,32 @@
                 <version>1.7.4</version>
                 <scope>provided</scope>
             </dependency>
+
+            <dependency>
+                <groupId>io.netty</groupId>
+                <artifactId>netty-common</artifactId>
+                <version>4.1.29.Final</version>
+            </dependency>
+            <dependency>
+                <groupId>io.netty</groupId>
+                <artifactId>netty-buffer</artifactId>
+                <version>4.1.29.Final</version>
+            </dependency>
+            <dependency>
+                <groupId>io.netty</groupId>
+                <artifactId>netty-handler</artifactId>
+                <version>4.1.29.Final</version>
+            </dependency>
+            <dependency>
+                <groupId>io.netty</groupId>
+                <artifactId>netty-transport</artifactId>
+                <version>4.1.29.Final</version>
+            </dependency>
+            <dependency>
+                <groupId>io.netty</groupId>
+                <artifactId>netty-codec-http</artifactId>
+                <version>4.1.29.Final</version>
+            </dependency>
         </dependencies>
     </dependencyManagement>