Update to newer jetty eclipse-signing-plugin for jdk1.8
diff --git a/pom.xml b/pom.xml
index 01f9f6b..f059824 100644
--- a/pom.xml
+++ b/pom.xml
@@ -24,7 +24,7 @@
     <jetty-osgi-servlet-api-version>3.1.0.M3</jetty-osgi-servlet-api-version>
     <p2-install-folder-name>development</p2-install-folder-name>
 
-    <signing-plugin-version>1.0.0</signing-plugin-version>
+    <signing-plugin-version>1.0.1</signing-plugin-version>
 
     <eclipse-mirror-url>http://download.eclipse.org</eclipse-mirror-url>
     <equinox-site>${eclipse-mirror-url}/eclipse/updates/3.8</equinox-site>