BIC: persistent storage

What's out?

Our collections avoid using any of the following mechanisms by default:

...

1. check to see if the BIC has loaded

2. check to see whether the collections exist

3. check to see whether we have detected reliable persistent storage (per-above)

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require(['bic'], function (bic) { // 1.
  bic.collections().then(function () { // 2.
    if (bic.hasStorage()) { // 3.
      // TODO: do something with a persistent collection
      // e.g. `bic.interactions`, `bic.pending`, etc
    }
  });
});

We list our persistent collections with our other publicly accessible values.

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