Code review comment for lp://staging/~jkakar/kanban/project-kanban-board

The results are at <http://people.canonical.com/~mbp/kanban/bzr-project-kanban.html>; unfortunately they are a bit buggy:
 * something has caused the columns to be scrambled
 * it seems to be showing every fixed bug ever, but we should probably leave them off after 30 days like for the person/team view
 * showing every open bug as Queued is kind of consistent with the existing code, but lists too many bugs. for the way we use it, showing only assigned confirmed/triaged bugs would be reasonable.