Fix double-binding to submit event

Fixes #916.
replace "comments.json" with this.props.url
Fix references to the old ReactID syntax
Refactor Transaction to not rethrow errors

Rethrowing errors makes debugging harder. This makes it so that an exception in a render method can be caught using the purple stop sign (or the blue one, of course) in Chrome.
jsx whitespace codemod utility
Add warning about object property order.

It's easy to misuse the properties-as-keys feature and end up with children rendered out of order. Add a note and example of how to avoid this.
Update tutorial.md to still have jQuery script tag in later code sample
s/Mock DOM/Virtual DOM/

Let's be consistent with the naming
Merge pull request #973 from syranide/hidethekill

Fix references to the old ReactID syntax
Fix boolean attributes as per HTML5 spec
Disable CodeMirror smart indentation

Fixes #966.
[docs] Fix comma splice
Add link to meteor talk
Update videos.md
Add a complementary tools page
add example apps page
Merge pull request #1010 from petehunt/meteorvid

Add link to meteor talk
Merge pull request #1011 from petehunt/complementary-tools

Add a complementary tools page
Update example-apps.md
adding a link to react-router