Fix err serialization

(passing as normal argument wouldn't get it properly serialized, stripping .message and .stack)

package.json

@@ -65,7 +65,7 @@
         "c9.ide.language.javascript.eslint": "#a7d10ddf32",
         "c9.ide.language.javascript.tern": "#2d9cb639ed",
         "c9.ide.language.javascript.infer": "#5036f68fe6",
-        "c9.ide.language.jsonalyzer": "#794b694ef6",
+        "c9.ide.language.jsonalyzer": "#6cec566be4",
         "c9.ide.collab": "#30efed939e",
         "c9.ide.local": "#a6e689e33b",
         "c9.ide.find": "#e33fbaed2f",