Change pom.xml to build against releases/staging so we get RC4 dependencies.

Change-Id: I00f13ac4ac75b26a75f9157ee1ebba1b24836c66
Reviewed-on: https://git.eclipse.org/r/28241
Tested-by: Hudson CI
Reviewed-by: Jeff Johnston <jjohnstn@redhat.com>
Tested-by: Jeff Johnston <jjohnstn@redhat.com>
diff --git a/pom.xml b/pom.xml
index fd6db49..b99a208 100644
--- a/pom.xml
+++ b/pom.xml
@@ -124,7 +124,7 @@
       </activation>
       <properties>
         <mirror-repo-name>update-3.0</mirror-repo-name>
-        <eclipse-site>http://download.eclipse.org/releases/luna</eclipse-site>
+        <eclipse-site>http://download.eclipse.org/releases/staging</eclipse-site>
         <platform-version>[4.3,)</platform-version>
         <sdk-version>4.3</sdk-version>
       </properties>