- album card has placeholder for future thumbnail.
- replaced nested tree hierarchy lists with separate boxes.
- list/grid view also applies to the root listing.
- added a sticky right panel for all the tools. not pretty yet.
- mechanism for adding sticky panel changed. instead of applying
it to the #right, you apply it to #content_body so that its
grid layout can be updated properly.
Alright, I got tired of confusing myself with the same-named
outer and inner package.
Keep in mind that every frontend implementation is supposed to be
its own independent project where etiquette is nothing but a
dependency. So the name backend is not ambiguous with the etiquette
backend.