Build against neon. 

Tentative change to work around failing test on jenkins.
diff --git a/pom.xml b/pom.xml
index f1405fe..0f4187f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -96,7 +96,7 @@
 	<repository>
 	  <id>eclipse</id>
 	  <layout>p2</layout>
-	  <url>http://download.eclipse.org/releases/mars/</url>
+	  <url>http://download.eclipse.org/releases/neon/</url>
 	</repository>
 	<repository>
 	  <id>orbit</id>