Merge pull request +7622 from c9/fix/collab-db-corrupt

Make collab database reload if it's inaccessible multiple times

package.json

@@ -67,7 +67,7 @@
         "c9.ide.language.javascript.tern": "#2b0bb024da",
         "c9.ide.language.javascript.infer": "#cfec494a3c",
         "c9.ide.language.jsonalyzer": "#ba3e0d298c",
-        "c9.ide.collab": "#b55229eb75",
+        "c9.ide.collab": "#2fc3852058",
         "c9.ide.local": "#a9703b630c",
         "c9.ide.find": "#6cc6d3379d",
         "c9.ide.find.infiles": "#72582de3cd",