update build to Eclipse Tycho 0.16

Signed-off-by: Florian Thienel <florian@thienel.org>
diff --git a/org.eclipse.vex.ui.tests/.gitignore b/org.eclipse.vex.ui.tests/.gitignore
index fe07c27..193255b 100644
--- a/org.eclipse.vex.ui.tests/.gitignore
+++ b/org.eclipse.vex.ui.tests/.gitignore
@@ -1,2 +1,2 @@
 bin

-/target
+target