Use parent 29

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1765280 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index b057e8b..4a420bd 100644
--- a/pom.xml
+++ b/pom.xml
@@ -24,7 +24,7 @@
   <parent>
     <groupId>org.apache.sling</groupId>
     <artifactId>sling</artifactId>
-    <version>28</version>
+    <version>29</version>
     <relativePath/>
   </parent>
 
@@ -92,7 +92,6 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-failsafe-plugin</artifactId>
-        <version>2.18.1</version>
         <executions>
           <execution>
             <goals>