Typos
Merge branch 'master' of github.com:html5rocks/www.html5rocks.com
content/tutorials/webgl/million_letters: Fixes broken demo. Updates Three.js to r69 and updates article text and demo to match. Closes #1264
Automatically updating the calendar
Merge pull request #1265 from kig/million_letters

content/tutorials/webgl/million_letters: Fix broken demo.
Merge pull request #1266 from html5rocks/master

merge fixes for @ebidel and @kig