updated samples submodule
Added generators article
Web animations article update

Accounts for new functionality in Chrome 39.
Merge pull request #8 from jeffposnick/development

Generators article
Merge pull request #10 from jeffposnick/web-animations-update

Web animations article update
Merge branch 'development' of https://github.com/html5rocks/updates.html5rocks.com.new into beacon
Updates to beacon article and rebuilding the site
Merge pull request #11 from devnook/beacon

Beacon
updating samples submodule
Merge branch 'development' of https://github.com/html5rocks/updates.html5rocks.com.new into beacon
Merge pull request #12 from devnook/beacon

Beacon
Merge pull request #13 from html5rocks/development

Merging into the release branch