deleted users and permission, since it is not possible to change the permissions via the app
Merge pull request #771 from erwinwinder/master

Subform lists
Merge pull request #770 from RoanKanninga/master

deleted users and permission, since it is not possible to change the per...
Merge pull request #772 from erwinwinder/master

Added subforms
Prefill forms
Fix form bugs
Back url and layout fix