New UI changes(tags, categories, authorisations, module index…)

To run:
  - ruby lib/remove_old_tags.rb DB_NAME
  - rake new_ui:migrate_tags
  - rake new_ui:migrate_categories['APP_KEY,''MODEL_NAME'] (check new_ui.rake for more details)

app/assets/javascripts/structure.js

@@ -0,0 +1,7 @@
+//= require basic
+//= require lib/jquery-ui-1.10.2.custom.min.js
+//= require lib/jquery.ui.touch-punch.min.js
+//= require lib/jquery.mjs.nestedSortable.js
+//= require lib/items/items
+//= require lib/items/update_cates_and_tags
+//= require lib/items/page_widget_edit_interface