Fixed a couple of typos.

Signed-off-by: Richard Antecki <richard@antecki.id.au>
Merge pull request #450 from rantecki/rantecki-20130307

Fixed a couple of typos.
v6.24.1. Bugfix.

- v6.24.1 March 7, 2013
	- Typo fixes
		- Fixes `getMixpanelInstance()` always re-creating the mixpanel
instance instead of just doing it once
		- Fixes `DocPad::getBlocks`
		- Thanks to [Richard A](https://github.com/rantecki) for [pull
request #450](https://github.com/bevry/docpad/pull/450)
	- Fixed mixpanel country and language always being au and en
	- Updated dependencies
		- [bal-util](https://github.com/balupton/bal-util) from ~1.16.3 to
~1.16.9