upgrade parent version to ensure source-release is automatic.

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@815894 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index 222ae10..ac34e86 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="UTF-8"?>
+<?xml version='1.0' encoding='UTF-8'?>
 
 <!--
 Licensed to the Apache Software Foundation (ASF) under one
@@ -19,7 +19,7 @@
 under the License.
 -->
 
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xsi:schemaLocation='http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd' xmlns='http://maven.apache.org/POM/4.0.0'>
   <modelVersion>4.0.0</modelVersion>
 
   <parent>
@@ -173,9 +173,9 @@
                 <phase>integration-test</phase>
                 <configuration>
                   <tasks>
-                    <echo /><echo /><echo /><echo /><echo />
-                    <echo level="warning">NO INTEGRATION TESTS DEFINED</echo>
-                    <echo /><echo /><echo /><echo /><echo />
+                    <echo/><echo/><echo/><echo/><echo/>
+                    <echo level='warning'>NO INTEGRATION TESTS DEFINED</echo>
+                    <echo/><echo/><echo/><echo/><echo/>
                   </tasks>
                 </configuration>
                 <goals>