Fix: Always return boolean from isNullComponentID
TodoMVC live demos have moved.
Add comma for readability in tutorial
Followup fix for React.PropTypes.node

This should have gone in as a part of #2343
React.renderComponent --> React.render

Also fixed a spelling mistake.
Merge pull request #2428 from cody/fixes

React.renderComponent --> React.render
Extending period in which click events are ignored
Merge pull request #2431 from wassil/master

Extending period in which click events are ignored
Merge pull request #2419 from johnheroy/patch-1

Add comma for readability in tutorial.md
Bring in jsfiddle integration script, add harmony
Update deprecated propTypes
Use dump cache and remove factory from ReactElement-test

We need to use dump cache because we don't enable it by default internally.

While I'm at it, I might as well kill the ComponentFactory variable which
is now just an alias.
Merge pull request #2434 from Shraymonks/propTypes-docs

Update deprecated propTypes
Cleanup a couple unused variables
Merge pull request #2437 from zpao/lint-cleanup

Cleanup a couple unused variables
Merge pull request #2435 from sebmarkbage/fixretest

Use dump cache and remove factory from ReactElement-test
Fix typo in If/Else JSX doc.
Merge pull request #2443 from kruppel/kurt/minor-tip-typo

Fix typo in If/Else JSX doc.
Merge pull request #2433 from zpao/fiddle-integration

Bring in jsfiddle integration script, add harmony
Remove unrelated comment

This is no longer unwrapping a legacy factory (which are gone).