Merge pull request #1 from Asana/jest

Jest
Merge pull request #2 from Asana/react

React
Merge branch 'master' of github.com:borisyankov/DefinitelyTyped
Starting react-addons module

We will use module merging to merge addons into the existing react
context.
Added type definitions for react-addons
Merge pull request #2916 from Asana/react-addons

React addons