SLING-1033 Upgrade to Sling parent POM 6 (and ensure web app has the leglize stuff, too)

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@791223 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index 3d556ea..73d9580 100644
--- a/pom.xml
+++ b/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.apache.sling</groupId>
         <artifactId>sling</artifactId>
-        <version>5-incubator</version>
+        <version>6</version>
         <relativePath>../../../parent/pom.xml</relativePath>
     </parent>