[e] (0) Try to get things ready for more radical changes. Hopefully this has no normative changes in it...
Affected topics: CSS, Canvas, DOM APIs, HTML, HTML Syntax and Parsing, Microdata, Offline Web Applications, Rendering, Security, Video Text Tracks, Video and Audio, Workers

git-svn-id: http://svn.whatwg.org/webapps@8687 340c8d12-0b0e-0410-8428-c7bf67bfef74
Merge remote branch 'origin/master' into whatwg