Figure out if the current template scheme is usable or what would be better

[dpoirier]

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[dpoirier]

It's challenging to provide good-looking templates with a generic package because any site using it might have just about any layout and styling set up. That means we pretty much have to keep the styling of the templates we ship in django_bread very basic, and assume any site using them will extend or replace them.

But right now, there's significant logic in the templates to provide default functionality for the views, and any site using this is going to end up copying a lot of that, and then won't pick up bug fixes when they update django_bread.

Perhaps we could move most or all of the logic into template tags, so that sites could use the tags in their own templates but the logic would be in django_bread's code and would be updated when django_bread is updated?