task status widget should only show interesting statuses and also show timestamps
Description of problem:
The task status widget currently shows the number of tasks in each state. However, the "stopped/success" status count is typically not of interest to users.
Additionally, the timestamp of the most recent task to enter a particular state would be useful to show. For example, if some tasks are in "stopped/error", it would be good to be able to see if the latest task is from last night, or from three weeks ago.
Version-Release number of selected component (if applicable): 6.2.10