Upgrade org.eclipse.jetty:jetty-server to version 9.4.12.v20180830

Author: binarywang

pom.xml

@@ -114,7 +114,7 @@
 
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <httpclient.version>4.5</httpclient.version>
-    <jetty.version>9.3.24.v20180605</jetty.version>
+    <jetty.version>9.4.12.v20180830</jetty.version>
   </properties>
 
   <dependencyManagement>