User story #715
As a user I want to have a Sprint board with post-its
- Scum board grouped by user story & task statuses.
- Configurable colors per tracker.
- Configurable user history trackers.
- Doer/reviewer post-it based on assigned_to & time spent (configurable which activities are doing & which reviewing).
- Configurable doer/reviewer post-it color.
- Permission to view it.