Allow setting userChanges container
Allow setting userChanges container

Since that makes it possible to create an external factory method for
creating stacks and makes the properties more consistent.

Curahelper/Cura,ynotstartups/Wanhao,ynotstartups/Wanhao,fieldOfView/Cura,fieldOfView/Cura,hmflash/Cura,hmflash/Cura,Curahelper/Cura