Fix: Always return boolean from isNullComponentID
TodoMVC live demos have moved.
Use double quote for transformed `displayName` and `data-*`

JSX currently transforms everything to double quote except these two. This way, it's at least consistent and will satisfy half of the people who do put a strict quotation linting on their project.

Test: `jest`, check the double quoted transformed `data-bla="something"`.
Add 'use strict' to statisfy linter rules
Trailing commas break old IE versions
ReactDOMSelect makeover, fix edge-case inconsistencies and remove state
Remove esprima-fb and use Syntax from jstransform
Merge pull request #1708 from chenglou/displayName

Use double quote for transformed `displayName`
Merge pull request #2224 from zertosh/remove-esprima-fb-dep

Remove esprima-fb and use Syntax from jstransform
Fixing some newline-preserving issues

Done internally as part of
https://github.com/facebook/jstransform/commit/f9836a39126675fd37b40a3598c539b50a1ec69b
Merge pull request #2452 from Shahor/master

Trailing commas break old IE versions
Merge pull request #2408 from Peeja/patch-1

TodoMVC live demos have moved.
Merge pull request #2446 from enaqx/master

Add 'use strict' to statisfy linter rules
Initial implementation of new-style refs

cf. #1373

This implementation can be used in any situation that refs can currently be used (and can also be used without an owner, which is a plus).
Add SSR at SoundCloud talk
Merge pull request #2241 from syranide/selectvalue

ReactDOMSelect makeover, fix edge-case inconsistencies and remove state
Use adjective "too" instead of "to"

The author clearly intended to use the adjective "too" to mean "excessively" instead of the preposition "to".
Merge pull request #2475 from jsfb/master

Use adjective "too" instead of "to"
Merge pull request #2473 from zertosh/docs-ssr-at-sc

Add React at SoundCloud talk
Using semicolon instead of "and" conjunction

The use of the conjunction "and" leads to an improper assertion about what should/shouldn't be done.  Using a semicolon resolves this by indicating the contrasting alternative.