* [ADF-2387] added a stream for pagination size change
* [ADF-2387] added test for page size stream
* [ADF-2387] start refactoring adding a general stream for user preference attributes
* [ADF-2387] added documentation and test for user values stream
* [ADF- 2123] Process Pagination - There is no way to paginate the result
* Updated unimplemented pagination method.
* * Refactored process-service component.
* * Removed unused pagination methods from process-service component.
* * Updated process/task list documentation with recent changes.
* [ADF-2118] Process Initiator should be able to complete a task.
* Fixed Process Initiator should be able to complete a task.
* * Fixed Process Initiator should be able to complete a task.
* * Removed extra space
* Changed the service fetching page sizes in document-list component
* uncommented a line in process-service.component.ts for the tasklist to show page-sizes in task-list
* fix upload for process attachment list
export ActivitiContentService
ProcessService.createOrUpdateProcessInstanceVariables has incorrect method signature
* fix signature methods
* fix test parameters
* [ADF-1711] The <adf-task-attachment-list component displays drag-and-drop area that is not working
* fix test for remove upload deprecated properties
* remove duplicate identifier
