[releng] Use Oxygen Orbit
diff --git a/releng/org.eclipse.ocl.releng.buckminster/releng/ocl.rmap b/releng/org.eclipse.ocl.releng.buckminster/releng/ocl.rmap
index 3e4011b..7940faa 100644
--- a/releng/org.eclipse.ocl.releng.buckminster/releng/ocl.rmap
+++ b/releng/org.eclipse.ocl.releng.buckminster/releng/ocl.rmap
@@ -331,7 +331,7 @@
<rm:provider componentTypes="eclipse.feature,osgi.bundle" resolutionFilter="(resolve.target.platform=true)" readerType="p2" source="false" mutable="false">
<rm:property key="buckminster.source" value="false"/>
<rm:property key="buckminster.mutable" value="false"/>
- <rm:uri format="{0}/tools/orbit/downloads/drops/S20170516192513/repository/">
+ <rm:uri format="{0}/tools/orbit/downloads/drops/R20170516192513/repository/">
<bc:propertyRef key="eclipse.download"/>
</rm:uri>
</rm:provider>