Update RAP target platform to mars (was: mars-integration)

Change-Id: Icb5c0c52bff7518533e4e9ffc65a4662c950e8d9
diff --git a/org.eclipse.scout.parent/pom.xml b/org.eclipse.scout.parent/pom.xml
index 2427918..f0c463a 100755
--- a/org.eclipse.scout.parent/pom.xml
+++ b/org.eclipse.scout.parent/pom.xml
@@ -81,7 +81,7 @@
     <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
 
     <target-platform>eclipse-helios</target-platform>
-    <rap-repo-target-platform>eclipse-mars-integration</rap-repo-target-platform>
+    <rap-repo-target-platform>eclipse-mars</rap-repo-target-platform>
 
     <tycho-repo.url>https://oss.sonatype.org/content/groups/public/</tycho-repo.url>
     <eclipse-repo.url>https://repo.eclipse.org/content/repositories/releases/</eclipse-repo.url>