Update dependencies for Mars.2 RC1

Change-Id: I24e62b05aca5333b75a5eb97a2cc542f5790262c
diff --git a/releng/org.eclipse.graphiti.releng/build.rmap b/releng/org.eclipse.graphiti.releng/build.rmap
index bb8caed..fa485e8 100644
--- a/releng/org.eclipse.graphiti.releng/build.rmap
+++ b/releng/org.eclipse.graphiti.releng/build.rmap
@@ -55,7 +55,7 @@
     <rm:provider componentTypes="eclipse.feature,osgi.bundle" 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/R20150821153341/repository/">

+      <rm:uri format="{0}/tools/orbit/downloads/drops/R20151118145958/repository/">

         <bc:propertyRef key="eclipse.downloads"/>

       </rm:uri>

     </rm:provider>

@@ -64,7 +64,7 @@
     <rm:provider componentTypes="eclipse.feature,osgi.bundle" 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-M-builds/M-4.5.1RC3-201509040015/">

+      <rm:uri format="{0}/eclipse/updates/4.5-M-builds/M-4.5.2RC1-201601131000/">

         <bc:propertyRef key="eclipse.downloads"/>

       </rm:uri>

     </rm:provider>

@@ -98,7 +98,7 @@
     <rm:provider componentTypes="eclipse.feature,osgi.bundle" 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/gef/updates/milestones/">

+      <rm:uri format="{0}/tools/gef/updates/releases">

         <bc:propertyRef key="eclipse.downloads"/>

       </rm:uri>

     </rm:provider>