add chinese translation for 01-why-react.md
fix some translation error
fix some translation error
Merge branch 'master' of github.com:rayqian/react

Conflicts:
	docs/docs/01-why-react.zh-CN.md
fix `(`
make translation better
add translation for getting-started.md
change some translation words
Share reconcile transaction in batched updates

Should make #1350 better and will also take away any performance hit from #1157.

Test Plan:
grunt test
Adds svg mask and pattern dom components
Added support for itemscope, itemtype, itemprop.
Updated documentation.
ReactTransitionGroup: Fix moving from falsey child

See http://stackoverflow.com/q/23510413/49485.

Test Plan: grunt fasttest
Use camelCase and declare MUST_USE_ATTRIBUTE.
Add support for JSX member expressions <React.DOM.div />
Adds svg pattern and mask components
Merge pull request #1492 from spicyj/rtg-from-false

ReactTransitionGroup: Fix moving from falsey child
Codemod mockDefaultReturnValue

The naming is super confusing.

mockReturnValue -> mockReturnValueOnce
mockDefaultReturnValue -> mockReturnValue
Codemod mockReturnValue externally

320024555cef1b826f8ba9e8bafccad8a5a118e7 didn't update the mocks module
here, just the callsites.
Move tagtree image to docs/

Missed this in #1470