Feature/management

adjust toolbar for editable list incl. add/save/delete buttons, integrate editable list

- [x] test coverage
- [ ] finish the code
- [ ] gather feedback for my changes
- [ ] submit changes to the documentation


| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | yes
| Tests pass?   | [yes|no|none]
| Fixed tickets | [yes|no|none]
| Doc           | [url to doc|none]


mergen when https://github.com/massiveart/husky/pull/137, https://github.com/massiveart/husky/pull/146 and https://github.com/sulu-cmf/SuluAdminBundle/pull/43 is merged