Google has changed - sometime in the last months - that you can no longer install a .crx file simply by dragging it onto Chrome: it tells you that you can only install extensions from the Chrome Web Store.
You can bypass this restriction by dragging the file onto the list of extensions in chrome://extensions, so I've updated the test in the Rake task to reflect that.
Previously, we would only look for `~/.js/github.com.js`. Now, the following would also appear (if present):
This should make it easier to share and fork repos of dotjs files, as well as
putting features into their own "bundles" (inspired slightly by vim's pathogen).