Made sure the outliner now uses the elsePart location annotation
Refactor the creation of random question / calculated question out of the tests itself, so they can be reused.
childs -> children
Remove obselete LocationSpan
Remove obselete import of LocationSpan
Create random forms
Use random forms during testing
Merge branch 'kemi' of github.com:software-engineering-amsterdam/sea-of-ql into kemi