* add —use-npm flag to bypass yarn

* add e2e test for —use-npm flag

* improve eject message

* cross os implementation

* extra watch options regex to react-dev-utils

* fix regex

* add test

* fix eslint error

* include react-dev-utils test in CI script

* attempt to fix import error

* attempt to fix error on CI

* Update .eslintrc

 - react-scripts@1.0.17

"subway" by itself is not a proper noun

* Add link to VS Code troubleshooting guide

* Update README.md

Fixed a small grammatical issue that I noticed while browsing the README today

 - create-react-app@1.4.3
 - react-dev-utils@4.2.1
 - react-scripts@1.0.16

Lerna is acting up.

 - babel-preset-react-app@3.1.0
 - react-dev-utils@4.2.0
 - react-error-overlay@3.0.0
 - react-scripts@1.0.15

* Add preflight CWD check for npm

* Typos

* Change template manifest start_url to dot to make it react-router friendly

* Revert "Change template manifest start_url to dot to make it react-router friendly"

This reverts commit 02f53e81.

* Add a note about PWA manifest and client-side routing

instead of using `&&` to run multiple commands in `package.json`, guide users to use `npm-run-all`

According to this parameter's comment, it's unused but webpack-dev-server crashes without it. However, webpack-dev-server is running fine for me without this parameter.

This resolves #3272.

Implement settings as suggested here:
https://github.com/mishoo/UglifyJS2/tree/harmony#mangle-options

To solve this Safari bug:
https://bugs.webkit.org/show_bug.cgi?id=171041

Fixes #3284.

* Bump dependencies

* Downgrade source-map back to 0.5.x

Not sure what changed there but our bundle snapshot doesn't match with minor changes.
I couldn't figure out how to update it, and also whether we need to tweak getPrettyURL in response.

It's confusing: https://mobile.twitter.com/brianleroux/status/923581596720013312

h/t @brianleroux

* update eslint-plugin-react to 7.3.0

* Updated eslint-plugin-react to 7.4.0

The existing link lands on a 'this page has moved' placeholder that
doesn't redirect to the correct location. This PR replaces it with the
currently working URL.

Closes #3291

* Use production React version

* We cannot strip our own checks if production

* Keep the sourcemap during minify

* Prevent devtools pollution

* Add some comments

* sigh

* Add a warning when running minified

* Add more robust check

* Update index.js