Some last (template) improvements for next release
- Added dataTable function for group overview table.
- Added default form help text for groups and an explanation for group overview table.
- Updated translation.
- Translate group name in form.
- Username: FirstName instead of First_Name
- Hide group 'registered' from UserForm
- Linked persons/candidates/submitter etc. to UserView
- Fixed permissions in template

Translation
Fixed motion tests
Translate changed state in motion log (Fixed #656)

The database has to be reset.
Merge pull request #3 from normanjaeckel/FixTests

Fixed motion tests
Merge pull request #663 from emanuelschuetze/template-improvement3

More template improvements and translation updates.
Merge pull request #660 from normanjaeckel/TranslatedStateChanged

Translate changed state in motion log (Fixed #656)