* extract style/class/transition as web platform compiler modules
* fixed genData bug
* made module.staticKeys optional in compiler
* changed module.genData just return additional data in compiler
* cached genStaticKeys in compiler optimizer
* updated compiler with new render functions
* separated createElement into renderSelf & renderElement
supported getters for text node & static root
* adapted new element creator into render call
* improved \$createElement
* fixed by flow check
* fixed ssr bugs for $createElement
Evan You
Jinjiang