* Upgrade standard.js

# Conflicts:
#	yarn.lock

* Upgrade babel-eslint

Fixes installation command for `with-absolute-imports` example.

* Improved with-ant-design example

* standardjs fix maybe

* Update readme for Next 5

* remove specific version mention

Signed-off-by: NTim Neutkens <timneutkens@me.com>

This is supplied by webpack-hot-middleware.
I also added a test case to prevent this from popping up again.

* pass down getInitialProps ctx to ComposedComponent
* pass apollo client instance directly to getDataFromTree instead of through the ApolloProvider wrapper.
* Avoid redundant empty serverState initialization (It's always initialized)

* Unlink only pages bundle in dev env

* Use IS_BUNDLED_PAGE regexp for unlink file plugin

* remove global npm install of create-next-app

* add npx to create-next-app command in examples

* add bash to shell snippets

* add yarn create to next-app command in examples

* fix READMEs named with lowercase

* change READMEs to use UPPERCASE

* Allow etags to be disabled with config option

- CR Change: Rename option to generateEtags
- CR Change: Add tests for etag generation
- CR Change: Refactor to use next.config.js
- Update documentation

* Use renderOpts instead of passing nextConfig

Koa's `listeningListener` callback is invoked with no arguments according to the Koa's type definitions, hence error handling is extraneous.

* Only show 404 when the page does not exist

* Do async filesystem check

* FIX deploy with-firebase-hosting

* add npm run command in place of yarn in firebase.json predeploy hooks

* Change yarn with npm

* firebase-hosting example: Add warning in examples README

* firebase-hosting example: clarify warning language

* firebase-hosting example: remove the warning and upgrade to canary

* firebase-hosting example: actually upgrade pkg.json

Do not set it to true in production

See context in https://github.com/i18next/react-i18next/issues/397

Update readme for scroll props related to #3950