Add migrations for requestedBy and assignedBy fields.
Add migrations for requestedBy and assignedBy fields.

johnleeming/wekan,wekan/wekan,GhassenRjab/wekan,johnleeming/wekan,wekan/wekan,GhassenRjab/wekan,wekan/wekan,johnleeming/wekan,wekan/wekan,wekan/wekan,GhassenRjab/wekan,libreboard/libreboard,johnleeming/wekan,libreboard/libreboard