0.8.1 (commit log)

Added ExternalVar to extra module. (Live demo)
Added ReactComponentB.static to quickly create components with unchanging content.
Added new styles:
- alignItems
- flex
- flexBasis
- flexDirection
- flexGrow
- flexShrink
- flexWrap
- justifyContent
- vectorEffect
Fixed typos in borderRightStyle and lineHeight.
Fixed warnings in ReactCssTransitionGroup. (#86)