Test to see if there are untracked files in vendor/opensource/tarballs

Change-Id: I19f3536aec20ccc1e256df9eb4b85485d3770547
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..fdad659
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,4 @@
+test:
+	  @echo Testing for missing dependencies... ; \
+    git status | grep -q Untracked && git status && exit 2 ; \
+    echo No untracked files found