Use released engine 2.3.4 and launchpad base 4.4.1-2.5.2

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1613762 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index a4b2319..ebd9351 100644
--- a/pom.xml
+++ b/pom.xml
@@ -172,12 +172,12 @@
                     <dependency>
                         <groupId>org.apache.sling</groupId>
                         <artifactId>org.apache.sling.launchpad.base</artifactId>
-                        <version>4.4.1-2.5.3-SNAPSHOT</version>
+                        <version>4.4.1-2.5.2</version>
                     </dependency>
                     <dependency>
                         <groupId>org.apache.sling</groupId>
                         <artifactId>org.apache.sling.launchpad.base</artifactId>
-                        <version>4.4.1-2.5.3-SNAPSHOT</version>
+                        <version>4.4.1-2.5.2</version>
                         <classifier>app</classifier>
                     </dependency>
                 </dependencies>
@@ -452,7 +452,7 @@
         <dependency>
             <groupId>org.apache.sling</groupId>
             <artifactId>org.apache.sling.launchpad.base</artifactId>
-            <version>4.4.1-2.5.3-SNAPSHOT</version>
+            <version>4.4.1-2.5.2</version>
             <classifier>app</classifier>
         </dependency>