Feature/smart content

fixed bug concering the rendering of the items
added noNewTags-option to auto-complete-list, implemented it in smart-content

- [ ] finish the code
- [ ] gather feedback for my changes
- [ ] submit changes to the documentation


| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | yes
| Tests pass?   | none
| Fixed tickets | none
| Doc           | none