Changing eclipse target site to staging to have latest eclipse RC2 bits

Signed-off-by: Ondrej Dockal <odockal@redhat.com>

Author: odockal

pom.xml

@@ -22,7 +22,7 @@
 	<properties>
 		<tycho-version>1.1.0</tycho-version>
 		<tychoExtrasVersion>${tycho-version}</tychoExtrasVersion>
-		<eclipse-target-site>http://download.eclipse.org/releases/2018-09/</eclipse-target-site>
+		<eclipse-target-site>http://download.eclipse.org/staging/2018-09/</eclipse-target-site>
 		<swtbot-update-site>http://download.eclipse.org/technology/swtbot/snapshots/</swtbot-update-site>
 		<eclipse-orbit-update-site>http://download.eclipse.org/tools/orbit/downloads/drops/R20180905201904/repository</eclipse-orbit-update-site>
 		<download-plugin-version>1.2.1</download-plugin-version>