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/back_end.js

@@ -0,0 +1,6 @@
+//= require basic
+//= require lib/footable-0.1.js
+//= require lib/all-list
+//= require lib/jquery.fastLiveFilter.js
+//= require lib/checkbox.card.js
+//= require lib/jquery.form.js