Merge pull request +6168 from c9/fix-double-ready

Fix collab calling callback second time

package.json

@@ -58,7 +58,7 @@
         "c9.ide.language.javascript.tern": "#3d678a103a",
         "c9.ide.language.javascript.infer": "#1ae097af44",
         "c9.ide.language.jsonalyzer": "#45a20496be",
-        "c9.ide.collab": "#fabc22dda7",
+        "c9.ide.collab": "#9b7f85fc89",
         "c9.ide.local": "#d5c324ee5b",
         "c9.ide.find": "#be3bca94b7",
         "c9.ide.find.infiles": "#462928475c",