Make installation reentrant

package.json

@@ -67,7 +67,7 @@
         "c9.ide.language.javascript.tern": "#8423d558f6",
         "c9.ide.language.javascript.infer": "#325ac6880e",
         "c9.ide.language.jsonalyzer": "#f15161bd57",
-        "c9.ide.language.codeintel": "#6d18279df3",
+        "c9.ide.language.codeintel": "#5337b19d79",
         "c9.ide.collab": "#a1a13c5943",
         "c9.ide.local": "#ded0db8949",
         "c9.ide.find": "#e33fbaed2f",