Sapphire RC4 contribution.

org.eclipse.juno.build/sapphire.b3aggrcon

diff --git a/org.eclipse.juno.build/sapphire.b3aggrcon b/org.eclipse.juno.build/sapphire.b3aggrcon
index b096f76..6eb8b12 100644
--- a/org.eclipse.juno.build/sapphire.b3aggrcon
+++ b/org.eclipse.juno.build/sapphire.b3aggrcon
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="ASCII"?>
 <aggregator:Contribution xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:aggregator="http://www.eclipse.org/b3/2011/aggregator/1.1.0" description="Sapphire" label="Sapphire">
-  <repositories location="http://download.eclipse.org/sapphire/0.5.0.201206061331/repository">
+  <repositories location="http://download.eclipse.org/sapphire/0.5.0.RC4/repository">
     <features name="org.eclipse.sapphire.feature.group" versionRange="0.5.0">
       <categories href="simrel.b3aggr#//@customCategories[identifier='Application%20Development%20Frameworks']"/>
     </features>