* support different env configs.
* fomrat code
* Hide doc
* Slightly rework the PR
* Remove .env in default template
* Use just one entry in the paths
* Unify env.js and loadEnv.js
* Oops, forgot these folks
* mv create-react-app/index.js -> create-react-app/creteReactApp.js
* update to modern code style
* var -> cosnt
* set trailing-coma to es5 for prettier
* Use a more sophisticated template for end-to-end testing.
* Not publish integration tests to npm
* Use "commander" for cli argv handling
* Handle different scripts version forms and exits without a name given
* Prepare the commands for testing with a template
* Fix dev "template" path
* Add various features to test
* Test various features separately
* Test language features
* Comment unused e2e.sh lines
* Add "development" tests
* Test environment variables
* Test webpack plugins
* Replace kitchensink README
* Switch integration tests from jest to mocha
* Use `fs-extra`
* Use the correct folders
* Do some cleanup
* Print a better message for `--template`
* Test `npm start` with and without https
* Separate fast e2e testing from kitchensink testing
* Hide `--internal-testing-template` (former `--template`) CLI option
