v6.30.0. Improvement.

- v6.30.0 April 5, 2013
	- Progress on [issue #474](https://github.com/bevry/docpad/issues/474)
	- `balUtil`, `chai`, `expect`, `assert`, `request` are no longer
exposed to plugin testers, you'll need to include them yourself from
now on
	- Updated dependencies
v6.30.1. Improvement.

- v6.30.1 April 6, 2013
	- Updated dependencies