admin-ui: Modify filters javascript code

- Add the ability to choose the visible filters in standard view
- Refactor filters functionality
- Store  user's preferences regarding filters in cookie
- Store the state of main tables in local storage
- Refactor the way the user can switch between compact and standard
  view of filters
- Refactor the way the state of checkboxes, radiobuttons and
  arrow-buttons changes.
admin-ui: Add generated css files