update build to Eclipse Tycho 0.16

Signed-off-by: Florian Thienel <florian@thienel.org>
diff --git a/org.eclipse.vex.releng/.project b/org.eclipse.vex.releng/.project
index c83f1c0..2d6bc85 100644
--- a/org.eclipse.vex.releng/.project
+++ b/org.eclipse.vex.releng/.project
@@ -5,7 +5,13 @@
 	<projects>

 	</projects>

 	<buildSpec>

+		<buildCommand>

+			<name>org.eclipse.m2e.core.maven2Builder</name>

+			<arguments>

+			</arguments>

+		</buildCommand>

 	</buildSpec>

 	<natures>

+		<nature>org.eclipse.m2e.core.maven2Nature</nature>

 	</natures>

 </projectDescription>