Feature/edit address

- [x] add new address
- [x] edit existing address
- [x] change type of existing address

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depends on pr: https://github.com/sulu-cmf/SuluContactBundle/pull/67

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- [ ] gather feedback for my changes
- [x] test coverage


| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | yes
| Tests pass?   | yes
| Fixed tickets | none
| Doc           | none