React 0.12 deprecations
Set React version to 0.12
Upgrade domCache to be compatible with React 0.12
Revert "Upgrade domCache to be compatible with React 0.12"

This reverts commit 9b6d38e51c543d8ebe821b48f957fe9af31737ad.
Upgrade domCache to be compatible with React 0.12
Merge pull request #1 from Greenfields/react-0.12

React 0.12