Update to remove .cssmin support
Merge pull request #7 from RobLoach/remove-cssmin

Update to remove .cssmin support
v2.3.1. Improvement.

- v2.3.1 December 31, 2013
	- Removed support for `cssmin` plugin, cssmin plugin now works
differently
		- Thanks to [Rob Loach](https://github.com/RobLoach) for [pull
request #7](https://github.com/docpad/docpad-plugin-less/pull/7)
Add David badge
Merge pull request #9 from docpad/david

Add David badge
v2.4.0. Improvement.

- v2.4.0 January 3, 2013
	- Dependency upgrades
		-  `less` from ~1.5.1 to ~1.6.0
Update meta files
v2.4.1. Improvement.

- v2.4.1 January 28, 2014
	- We now default `referencesOthers` to true if the less file imports other files