Expose CSSOM.parse to CSSGroupingRule

Author: Juice10

lib/CSSGroupingRule.js

@@ -1,6 +1,7 @@
 //.CommonJS
 var CSSOM = {
-	CSSRule: require("./CSSRule").CSSRule
+	CSSRule: require("./CSSRule").CSSRule,
+	parse: require('./parse').parse
 };
 ///CommonJS