Henry Zhu 66ec5263a4 Use Yarn Workspaces (#6056)
* update lerna and lerna-changelog

* Lerna: enable yarn, yarn workspaces [skip ci]

* use older version of Babel since it matches on semver (cannot be the same version)

* install yarn version

* revert node engine change

* update flow

* circle ci on 8

* update lock
2017-08-05 14:48:15 -04:00
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2017-08-05 14:48:15 -04:00