Update to latest apache parent pom

git-svn-id: https://svn.apache.org/repos/asf/shindig/trunk@1642264 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index 443bf4c..ec01541 100644
--- a/pom.xml
+++ b/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache</groupId>
     <artifactId>apache</artifactId>
-    <version>14</version>
+    <version>16</version>
   </parent>
 
   <groupId>org.apache.shindig</groupId>