benchmark runner
Merge pull request #741 from spicyj/flatten-nonull

Don't return null children from flattenChildren
Merge pull request #774 from spicyj/img-onload

Add support for onLoad event to <img />
Merge pull request #827 from spicyj/jstransform-202

Bump jstransform version to 2.0.2
Merge pull request #808 from spicyj/prefer-textContent

Prefer textContent to innerText
Merge pull request #821 from subtleGradient/subtlegradient/perf-task

benchmark runner & comparison tool with grunt commands and travis integration
Fix bug in cloneWithProps()
Fix react tests
Merge pull request #773 from spicyj/select-event-ff

Check for selection on keyup instead of deferring
Merge pull request #829 from spicyj/transitiongroup-null-child

Make ReactTransitionGroup work with a null child
Merge pull request #768 from spicyj/findcomponentroot-err

Remove sometimes-confusing console error
Merge pull request #772 from spicyj/gh-444

Set event type on enter/leave events
Fix some odd spacing inconsistencies in ReactRenderDocument-test.
Don't mutate passed-in props, take 2