Fix broken category links in side menu
Add test for WebM with Opus audio.
Add test for Opus audio in WebM.

This is supported by Firefox and Chrome in development releases.
Firefox 28 returns 'maybe' for canPlayType('video/webm').

https://bugzilla.mozilla.org/show_bug.cgi?id=884275
Rename Path to Path2D #316

https://github.com/whatwg/html-mirror/commit/3aec2a7e04a3402201afd29c224b57fa54497517
https://hg.mozilla.org/mozilla-central/rev/5375b5018e53
https://src.chromium.org/viewvc/blink?revision=168842&view=revision
https://trac.webkit.org/changeset/165651
Merge pull request #333 from syoichi/pr2-canvas-path

Rename Path to Path2D #316
Revert e0288a9..f0bc967

This rolls back to commit e0288a9762f022829bac40f01fd976f390d15b19.
Merge pull request #328 from rillian/opus

Add test for Opus in WebM
Revert "Revert e0288a9..f0bc967"

This reverts commit f8cad45fb71dd68ef38673aa7009e130df8b89b9.
Merge pull request #314 from mpopp75/categories

Fix broken category links in side menu
Merge branch 'rillian-h263' into version-5.1

Conflicts:
	scripts/engine.js
Add a test for the new Uint8ClampedArray data type
Split the File API test into separate test for parts of the spec
Rename the MPEG-4 codec test to MPEG-4 ASP
Make clear that MathML and SVG test are about inline parsing support, not rendering
Fix typo: Asyncronous -> Asynchronous