Merge pull request facebook#2724 from zpao/release-0.12.2

Release 0.12.2

Changelog, Readme updates for v0.12.1

v0.12.0

- update versions in packages, react
- update version in docs
- npm shrinkwrap

Update version to 0.11.0

0.11.0-rc1

0.10.0

update version for 0.10rc