* Only install react-scripts in CI mode

* Link locally

* Re-enable all output tests

*  Polish webpack output

* Test sass support message

* Add more tests, but disabled

* Format missing default export error

* Format aliased import

* Why was node-sass required? Odd

* Format webpack rejection error

* Re-enable unknown package test

* Format file not found error and catch module scope plugin error

* Re-disable case sensitive paths

* Intercept and format case sensitive path errors

* Test out of scope message formatting

* Run behavior on macOS

* Run behavior on Node 8 and 10, only Node 8 for macOS

* Add some debugging

* Update matcher

* Only check stderr

* Remove old snapshot

* More debug

* Remove debug

* Add new debug

* Disable test on linux

* Add comment for future

* File headers BSD+Patents -> MIT

* BSD+Patents -> MIT

* Tweak error and warning output

* Add a colon

* Add custom eslint formatter

* Add formatter docs

* Update formatter docs

* Slightly tweak it

* Update README.md