* Remove the use of CDN and bundle everything inside the app.
We still pre-build the prefetcher because it needs
different webpack config which only targets browsers
supports Service Workers.
* Remove cdn config item.
We no longer using it.
* Stop adding script tags when staticMarkup=true
* Remove babel-plugin-transform-remove-strict-mode NPM module.
* Register the service worker.
* Update prefetcher code to do prefetching.
* Implement the core prefetching API.
support "import <Link>, { prefetch } from 'next/prefetch'"
* Implement a better communication system with the service worker.
* Add a separate example for prefetching
* Fix some typos.
* Initiate service worker support even prefetching is not used.
This is pretty important since initiating will reset the cache.
If we don't do this, it's possible to have old cached resources
after the user decided to remove all of the prefetching logic.
In this case, even the page didn't prefetch it'll use the
previously cached pages. That because of there might be a already running
service worker.
* Use url module to get pathname.
* Move prefetcher code to the client from pages
Now we also do a webpack build for the prefetcher code.
* Add prefetching docs to the README.md
* Fix some typo.
* Register service worker only if asked to prefetch
We also clean the cache always, even we initialize
the service worker or not.
* Add example app which demonstrate the problem.
* Add the first working version.
* Fix lint issues.
* Add README.md
* Use /_next/main.js as the main file URI
* Add the support for loading the core next bundle.
* Optimize the output by removing Next modules from pages.
* Use the same package.json as master use.
* Change the example repo's README for simpler instructions.
* Change example projects package.json to support next build and start.
* Change main.js into commons.js.
* Add support for hot core reload and errors.
* Introduce require based on eval-script.
* Add error reporting support with hot reloading.
* Update README.md
