[FEATURE] Added UI for creating/editing orders

added ui functionality for adding an order

__Tasks:__
- [x] ui for creating order
- [x] ui for editing order
- [x] gather feedback for my changes

__Informations:__

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | yes
| Tests pass?   | none
| Fixed tickets | i hope so
| Doc           | none

__Requires:__
to view this pull request please checkout https://github.com/sulu-cmf/sulu-standard/pull/111 and do a 
```
composer update
```

also checkout:
https://github.com/sulu-cmf/SuluContactBundle/pull/142