[js] Update submodule

WasabiFan · WasabiFan · commit 640f779f2ee1 · 2015-05-18T08:01:01.000-07:00
diff --git a/js b/js
@@ -1 +1 @@
-Subproject commit 831a5671b4354bf3f5a2195025b3083a94d15a02
+Subproject commit a99c37c88b6b9f4e7cf777c05cf38199d4861477
