Merge pull request +11322 from c9/fix-retry

Don't cache completions with errors

package.json

@@ -55,7 +55,7 @@
         "c9"
     ],
     "c9plugins": {
-        "c9.ide.language": "#0f81c1bb51",
+        "c9.ide.language": "#e469e9c87d",
         "c9.ide.language.css": "#be07d72209",
         "c9.ide.language.generic": "#2b5cc6275e",
         "c9.ide.language.html": "#9be847c0ce",