[ ] Fix has_and_belongs_to_many associations.
    Eg. http://localhost:3000/admin/projects/edit/2

[ ] Fix has_many associations.

[ ] Do not show "Save" when clicking on "Show".
    Eg. http://localhost:3000/admin/projects/edit/2

[ ] Custom actions for Sidebar.

[ ] Improve "text_area".
    Eg. http://localhost:3000/admin/pages/new

[ ] Help should open a "Modal".
    Eg. http://localhost:3000/admin/posts

[ ] Dashboard should show more information.
    http://localhost:3000/admin/dashboard

[ ] Fix has_one associations.
    Eg. http://localhost:3000/admin/orders/edit/1

[ ] Improve how login window is displayed.
    Eg. http://localhost:3000/admin/session/new

[ ] Fix leave this page. Replace it with local storage?

[ ] Improve "Remove" button on images.
    Eg. http://localhost:3000/admin/assets/edit/2

[ ] Fix how posts are displayed.
    Eg. http://localhost:3000/admin/posts/edit/10