moved slugify to utils

src/utils.js

@@ -30,9 +30,27 @@ var utils = {
 			// month = date.getMonth(),
 			// months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];
 		return date.toDateString();
+	},
+	
+	//http://dense13.com/blog/2009/05/03/converting-string-to-slug-javascript/
+	slugify: function(str) {
+		str = str.replace(/^\s+|\s+$/g, ''); // trim
+		str = str.toLowerCase();
+
+		// remove accents, swap ñ for n, etc
+		var from = "àáäâèéëêìíïîòóöôùúüûñç·/_,:;";
+		var to   = "aaaaeeeeiiiioooouuuunc------";
+		for (var i=0, l=from.length ; i<l ; i++) {
+			str = str.replace(new RegExp(from.charAt(i), 'g'), to.charAt(i));
+		}
+
+		str = str.replace(/[^a-z0-9 -]/g, '') // remove invalid chars
+				.replace(/\s+/g, '-') // collapse whitespace and replace by -
+				.replace(/-+/g, '-'); // collapse dashes
+
+		return str;
 	}
-	
-	
+
 }
 
 module.exports = utils;