fix notify via email checkbox

package.json

@@ -66,7 +66,7 @@
         "c9.ide.language.javascript.tern": "#468cc173c4",
         "c9.ide.language.javascript.infer": "#8478e3c702",
         "c9.ide.language.jsonalyzer": "#45453961d9",
-        "c9.ide.collab": "#f49f6762aa",
+        "c9.ide.collab": "#30efed939e",
         "c9.ide.local": "#a6e689e33b",
         "c9.ide.find": "#e33fbaed2f",
         "c9.ide.find.infiles": "#c3bf17286d",