Build: Upgrade to grunt-contrib-csslint 0.2.0

This should fix the crazy grunt-contrib-csslint -> csslint -> parserlib fuzzy
version issues.

Author: scottgonzalez

package.json

@@ -61,7 +61,7 @@
 		"grunt-contrib-uglify": "0.1.1",
 		"grunt-contrib-concat": "0.1.3",
 		"grunt-contrib-qunit": "0.2.0",
-		"grunt-contrib-csslint": "0.1.1",
+		"grunt-contrib-csslint": "0.2.0",
 		"grunt-compare-size": "0.4.0-rc.3",
 		"grunt-jscs-checker": "0.3.1",
 		"grunt-html": "0.3.3",