Fix: double click on item allows editing of item.

dblclick event was attached to div.todo-content when it needed to be label.todo-content.

Reorganized the Folder structure to be more clear and concise.

Merge branch 'structure_reorganization' of github.com:addyosmani/todomvc into structure_reorganization

Update jQuery example to the new template

Switch from `<span>` to `<label>` as the todo text wrapper

Uses the app.css from the template without modifications

TodoMVC boilerplate template

- CSS fixes
- Remove an unnecessary div wrapper

Move JS libs to libs folder and remove old jQuery version

KnockoutJS: add "Mark all as complete" checkbox and "Press Enter" tooltip.

Add the "Press Enter" tooltip that appears after a delay when the user has entered a value and stops typing

Add "Mark all as complete" checkbox bound to a writeable computed observable and minor code cleanup.