[FEATURE] added sections and additional informations to form generation

added sections and additional informations to form generation:

__Tasks:__

- [ ] gather feedback for my changes


__Informations:__

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | yes
| Tests pass?   | no => https://github.com/sulu-cmf/sulu/pull/111
| Fixed tickets | none
| Doc           | none
@wachterjohannes That's also affected by https://github.com/sulu-cmf/sulu/issues/117