[releng] Add convenience script to launch build+tests

Change-Id: I969c7d374c4f5a8cb5f3db2dcbf3bceea4330306
Signed-off-by: Pierre-Charles David <pierre-charles.david@obeo.fr>

test.sh

diff --git a/test.sh b/test.sh
new file mode 100755
index 0000000..5e09fcb
--- /dev/null
+++ b/test.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+mvn -f org.eclipse.gmf.notation.releng/pom.xml clean verify