Tell jshint to check for trailing commas

mattrobenolt · mattrobenolt · commit 8ad15bc6ed95 · 2015-03-18T10:43:24.000-07:00
See #333
diff --git a/.jshintrc b/.jshintrc
@@ -1,4 +1,5 @@
 {
+    "es3": true,
     "globalstrict": true,
     "browser": true,
     "predef": [
