Only retrieve tasks assigned to user's groups
Update mapping of tasks to boards
Add utility function to dump method signatures
Use correct check for having a group membership
Refactor extract variable task object
Highlight own tasks and visual tweaks
Remove cap on task listing
Refactor task priority computation
Expedite tasks marked with a <*> spaceship
Do not bump user's own tasks to the top

This allows everyone to see the same tasks in the same order, and
gives an indication of whether work is being picked up and workesd
on in the right order.