Backbone: Add today view for tasks.
Backbone: Add agenda view, template, route.

Generic route - filter tasks by any due_to_s.
Backbone: remove unnecessary file.
Backbone: streamline Agenda route / view. Add agendas to sidebar.
Backbone: minor edit.
Styling: Refactor sidebar styling into generic reusable classes.
Styling: Improve list-form styling.
Backbone: adds working home page.
Styling: registration forms are styled (basic).
Style: Add basic home page.