new categories for calendar with colors inside.. plus changed the working of calendar. it has now categories like all other modules

app/assets/javascripts/admin/categories.js

@@ -12,6 +12,7 @@ $(function() {
     }
     else {
       setForm(item.data('form'));
+      if( $( ".color-picker" ).length ) $(".color-picker").miniColors("value",item.data("form").color);
       pageslide.find('form').attr('action', '/admin/module_apps/' + item.data('module') + '/categories/' + item.data('id'));
     	pageslide.find('form').attr('method', 'put');
     }