Restore error message on formatter failure

package.json

@@ -71,7 +71,7 @@
         "c9.ide.language.javascript.infer": "#b9c2e4bdb8",
         "c9.ide.language.jsonalyzer": "#a0549e14ff",
         "c9.ide.language.codeintel": "#7de0cedca6",
-        "c9.ide.collab": "#f3ac0c9a4a",
+        "c9.ide.collab": "#d77a9618ea",
         "c9.ide.local": "#9169fec157",
         "c9.ide.find": "#e632ecf4be",
         "c9.ide.find.infiles": "#ad9ff74638",