Graphics.drawImage → drawTexture, drawSubImage → drawSubTexture.

Sorry for the breakage, but this has been bugging me for a while.
Manifest.build → Manifest.fromAssets.

This is a much better and more API-consistent name. Sorry for the
breakage!  I'm trying to get all breaking changes out of the way for
Flambe 4.0.  There will be a guide on how to migrate your project.
Disable WebGL in Firefox OS 1.1 and below.