Add React to devDependencies, now peerDependencies should not fail with React 0.14.0-rc1.
Add React to devDependencies, now peerDependencies should not fail with React 0.14.0-rc1.

sourcejs/sourcejs-react-styleguidist,sapegin/react-styleguidist,styleguidist/react-styleguidist,panayi/react-styleguidist,psachs21/react-styleguidist,styleguidist/react-styleguidist,sapegin/react-styleguidist,bluetidepro/react-styleguidist,styleguidist/react-styleguidist,sourcejs/sourcejs-react-styleguidist,panayi/react-styleguidist