Description of problem:

being able to add a document in the process instance view.  This is critical for case manager where you can add documents on the ad-hoc during the process execution.
This is typically done by process owner to add additional documentations sometimes obtained through manual process like loan application additional documentation etc.


Version-Release number of selected component (if applicable):


How reproducible:


Steps to Reproduce:
1.
2.
3.

Actual results:


Expected results:


Additional info: