Fix parsing new tern type signatures

package.json

@@ -63,7 +63,7 @@
         "c9.ide.language.javascript": "#8479d0a9c1",
         "c9.ide.language.javascript.immediate": "#0535804ada",
         "c9.ide.language.javascript.eslint": "#9b2721c3d0",
-        "c9.ide.language.javascript.tern": "#88ec419283",
+        "c9.ide.language.javascript.tern": "#68875bc113",
         "c9.ide.language.javascript.infer": "#cfec494a3c",
         "c9.ide.language.jsonalyzer": "#245abb51f5",
         "c9.ide.collab": "#b49eda3791",