[TASK] Update role definitions
[BUGFIX] Warning if type is not string
[BUGFIX] Task.assignee expects person instead of account
[!!!][TASK] Integrate custom Person entity

If doctrine:update fails, truncate table oa_message
[TASK] Rename template files
[TASK] Backward compatibility to previous Party entity
[TASK] Enhance Person preparation with identity information
[TASK] Implement user profile controller