[releng] Update Orbit, Platform repo versions
diff --git a/releng/org.eclipse.qvtd.releng.buckminster/releng/qvtd.rmap b/releng/org.eclipse.qvtd.releng.buckminster/releng/qvtd.rmap
index c537cf6..2524bdc 100644
--- a/releng/org.eclipse.qvtd.releng.buckminster/releng/qvtd.rmap
+++ b/releng/org.eclipse.qvtd.releng.buckminster/releng/qvtd.rmap
@@ -308,14 +308,14 @@
     <rm:provider componentTypes="eclipse.feature,osgi.bundle" resolutionFilter="(&amp;(resolve.target.platform=true)(|(build.type=I)(build.type=N)))" readerType="p2" source="false" mutable="false">
       <rm:property key="buckminster.source" value="false"/>
       <rm:property key="buckminster.mutable" value="false"/>
-      <rm:uri format="{0}/eclipse/updates/4.5-I-builds">
+      <rm:uri format="{0}/eclipse/updates/4.6-I-builds">
         <bc:propertyRef key="eclipse.download"/>
       </rm:uri>
     </rm:provider>
     <rm:provider componentTypes="eclipse.feature,osgi.bundle" resolutionFilter="(&amp;(resolve.target.platform=true)(|(build.type=I)(build.type=N)(build.type=S)))" readerType="p2" source="false" mutable="false">
       <rm:property key="buckminster.source" value="false"/>
       <rm:property key="buckminster.mutable" value="false"/>
-      <rm:uri format="{0}/eclipse/updates/4.5milestones">
+      <rm:uri format="{0}/eclipse/updates/4.6milestones">
         <bc:propertyRef key="eclipse.download"/>
       </rm:uri>
     </rm:provider>
@@ -338,7 +338,7 @@
     <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/R20150519210750/repository/">
+      <rm:uri format="{0}/tools/orbit/downloads/drops/R20150821153341/repository/">
         <bc:propertyRef key="eclipse.download"/>
       </rm:uri>
     </rm:provider>