8654: cwl-runner crunch stub.

diff --git a/crunch_scripts/cwl-runner b/crunch_scripts/cwl-runner
new file mode 100755 (executable)
index 0000000..66a887e
--- /dev/null
+++ b/crunch_scripts/cwl-runner
@@ -0,0 +1,5 @@
+#!/usr/bin/env python
+
+import arvados_cwl
+
+print "Hello world"