Description of problem:
There are 4 perspectives with similar lists / tables in the BPMS part:
- Deployments
- Process Definitions
- Process Instances
- Tasks

All of these would be much better if the columns were configurable - if you could choose what information to show in a column.

Examples: 
Some user might want to see process id for each process definition, along with deployment, some might not be interested in that at all. 
Some might want to see the number of user task.
A user might want to know the id of a process instance.
...