polishing benchmark
Merge pull request #19 from cleandart/feature/performance-fixing

Refactoring NodeChild and Node.update.
Small formating.

Mainly trailing slash removed.
Added synthetic stop propagation by return false and event-listening by custom elements.

Resolved #12
Fixed tested selenium app to new event listener.
Lifecycle render, willReceiveProps, and shouldUpdate.
Core lifecycle tested.
Browser life-cycles implemented.

Fixed #13