v5.0.0

Setup:

[setup] update dependencies 8d5fab0
[setup] bump up version and update travis and appveyor b43aaf7
[setup] update dependencies ee3ff23

Changes:

[change] add rule "quote-props" to disable styles c045fc8
[change] update deprecated rules 7cbc7e9
[new] support es2016 f7f9318
[new] support es2017 94c9682
[change] disable flowtype/require-return-type because it's better to use flow coverage b928519

Documentation:

[doc] update es8 documentation only for es8 b3b201c
[doc] use require.resolve in examples 7b5d617
[doc] update documentation for flowtype/require-return-type 2dceeb9