Most tables now occupy the full width of the container row. Some of
them are otherwise squished. Also make sure the new fixed container
layout has not reduced the originally intended width of a table.
- Make the default snapshot detection slightly more robust and refactor.
- Expand description to explain automatic snapshotting, etc.
- Show description even after setup.
- Show default snapshot as a bootstrap label.
- Message explaing how rollback can be undone.
- Minor updates to delete/rollback confirmation messages.
- Minor style refactoring
- Create and list filesystem snapshots. Hide "current" snapshot.
- Allow deleting snapshots, except for default subvolume.
- Allow rollback to a snapshot.
