Update tycho version to 0.20.0 and build references
diff --git a/development/org.eclipse.libra.releng/pom.xml b/development/org.eclipse.libra.releng/pom.xml
index dd2981d..768b4f0 100644
--- a/development/org.eclipse.libra.releng/pom.xml
+++ b/development/org.eclipse.libra.releng/pom.xml
@@ -9,13 +9,13 @@
 	<name>Libra Parent POM</name>
 
 	<properties>
-		<tycho-version>0.18.0</tycho-version>
-		<eclipse-site>http://download.eclipse.org/eclipse/updates/4.3milestones/</eclipse-site>
-		<emf-site>http://download.eclipse.org/modeling/emf/emf/updates/2.9milestones/</emf-site>
-		<dtp-site>http://download.eclipse.org/datatools/downloads/drops/M_updates_1.11.0/</dtp-site>
+		<tycho-version>0.20.0</tycho-version>
+		<eclipse-site>http://download.eclipse.org/eclipse/updates/4.4milestones/</eclipse-site>
+		<emf-site>http://download.eclipse.org/modeling/emf/emf/updates/2.10milestones/</emf-site>
+		<dtp-site>http://download.eclipse.org/datatools/downloads/drops/M_updates_1.12.0/</dtp-site>
 		<gef-site>http://download.eclipse.org/tools/gef/updates/milestones</gef-site>
-		<wtp-site>http://download.eclipse.org/webtools/downloads/drops/R3.5.0/S-3.5.0M6-20130315194337/repository/</wtp-site>
-		<wtp-tests-site>http://download.eclipse.org/webtools/downloads/drops/R3.5.0/S-3.5.0M6-20130315194337/repositoryunittests/</wtp-tests-site>
+		<wtp-site>http://download.eclipse.org/webtools/downloads/drops/R3.6.0/S-3.6.0M7-20140505163128/repository/</wtp-site>
+		<wtp-tests-site>http://download.eclipse.org/webtools/downloads/drops/R3.6.0/S-3.6.0M7-20140505163128/repositoryunittests/</wtp-tests-site>
 		<orbit-site>http://download.eclipse.org/tools/orbit/downloads/drops/R20130118183705/repository/</orbit-site>
 		<debug-options></debug-options> <!-- empty by default -->
 	</properties>