Update to latest React, build script
Use inc number as the new className naming format
Use _ assign({}) as merge
Fix React key warning in example
Add tests
Unmock node_modules deps globally in package.json
Start testing index.js
Change examples API format for upcoming API changes

Instead of exporting the `createClass`ed object, export the return from `createClass`. This will make a difference in the future when the obj and the `createClass`ed object are different.