Update react to v0.12
Update tests to use new React APIs; Use createElement instead of React.DOM
Add anchor tag props for transferring
Use object-assign
Merge branch 'master' of github.com:yahoo/flux-router-component into feature/update-react-v12

Conflicts:
	package.json
Merge pull request #35 from yahoo/feature/update-react-v12

Upgrade to react@0.12.x