Now we won't add closures unnecessarily. I verified that we have no code that throws -- adding some then running `grunt build:modules` correctly throws.
* New approach for 6062 fix : Show source line number on unknown property warning
* WIP: ReactDebugToolEventForwarderDevTool
* Update event signature to debugID
* Trigger events in ReactDOMComponent
* Renamed to onMountDOMComponent; passing in element directly
* Added debugID; updated simple test
* Added test for multi-div JSX to ref exact line
* Added test for composite component
Ben Alpert