update jetty version so as super-dev-mode does work fine

git-svn-id: https://svn.apache.org/repos/asf/james/hupa/trunk@1603360 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index 5a51b9c..698870d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -61,7 +61,7 @@
         <gwtMavenVersion>2.6.1</gwtMavenVersion>
         <gwt.moduleSuffix />
         <gwt.logLevel>INFO</gwt.logLevel>
-        <jettyVersion>7.3.0.v20110203</jettyVersion>
+        <jettyVersion>8.1.8.v20121106</jettyVersion>
         <mock.scope>test</mock.scope>
         <skipTests>true</skipTests>
         <gwt.disableRunAsync>true</gwt.disableRunAsync>