v2.2.0. Improvement.

- v2.2.0 January 5, 2012
	- Added support for specifying the render attribute via the `t`
template helper. Usage `@t('*markdown*', {render:'markdown'})`.
	- Updated [bal-util](https://github.com/bevry/) dependency form v1.13
to v1.15
	- Updated [coffee-script](http://coffeescript.org/) dev dependency
form v1.3 to v1.4