Update to latest workshop-reference

Michelle Tilley · Michelle Tilley · commit 99b1f980542f · 2016-06-16T12:20:51.000-04:00
diff --git a/workshop-reference b/workshop-reference
@@ -1 +1 @@
-Subproject commit 8ab3737704b68a1b3d2bd9ed41f1ad51f8cc9b28
+Subproject commit 76e2b9eaaf49d4688cc89d27af3f0e7e89872777
