Summary:
React@15.1.0 is incompatible with React-Native@0.26.
This PR was cherry-picked to 0.26-stable branch now.
What this change does:
- react-native-cli (major release bump) saves exact versions of react-native and react (only in npm2) dependencies into package.json
- local-cli saves exact version of react (only npm3) dependency into package.json
Closes https://github.com/facebook/react-native/pull/7879
Differential Revision: D3384705
Pulled By: davidaurelio
fbshipit-source-id: d4dff418f9659bd083ae8826433a4e7c0355d03b