Refs #360. Manually reverts #352. DIV-fixing-and-kind-of-breaking.

Issue #360 will have a fully-baked fix for this.
Changelogged the DIV changes and added a self-targetted Just Ship It manifesto.
Prepare the 1.0.0b4 release.
Merge remote-tracking branch 'origin/master' into issue_360

Conflicts:
	src/test/unit/test.js