Added function to underscore convert strings.

app/assets/javascripts/application.js

@@ -203,6 +203,11 @@ function clone2(item) {
     return result;
 }
 
+// taken from https://github.com/epeli/underscore.string/blob/master/underscored.js
+function underscored (str) {
+  return str.trim().replace(/([a-z\d])([A-Z]+)/g, '$1_$2').replace(/[-\s]+/g, '_').toLowerCase();
+}
+
 jQuery.event.special.remove = {
   remove: function(e) {
     if (e.handler) e.handler();