Merge branch 'feature/3.0.0-pre/expand_menu_and_multi_word_controllers' into feature/2.4.0/accessibility-master

app/helpers/application_helper.rb

@@ -1033,7 +1033,7 @@ module ApplicationHelper
       when params[:controller] == 'my' && params[:action] == 'account'
         'account'
       else
-        params[:controller]
+        params[:controller].dasherize
       end
 
     javascript_tag("jQuery.menu_expand({ menuItem: '.#{current_menu_class}' });")