Update feature.xml "update" and "discovery" URLs to oxygen

Change-Id: I3fd367ea9c5d15a4f3067a6c380221b83550e57e
Signed-off-by: Patrick Bänziger <patrick.baenziger@bsi-software.com>
Reviewed-on: https://git.eclipse.org/r/118545
Tested-by: Hudson CI
diff --git a/org.eclipse.scout.sdk-feature/feature.xml b/org.eclipse.scout.sdk-feature/feature.xml
index 38da94e..29d2461 100644
--- a/org.eclipse.scout.sdk-feature/feature.xml
+++ b/org.eclipse.scout.sdk-feature/feature.xml
@@ -33,8 +33,8 @@
    </license>
 
    <url>
-      <update label="%updateSiteName" url="http://download.eclipse.org/releases/neon"/>
-      <discovery label="%updateSiteName" url="http://download.eclipse.org/releases/neon"/>
+      <update label="%updateSiteName" url="http://download.eclipse.org/releases/oxygen"/>
+      <discovery label="%updateSiteName" url="http://download.eclipse.org/releases/oxygen"/>
    </url>
 
    <requires>