[FEATURE] added order dependency workflows

__Tasks:__

- [x] added getWorkflows to dependency manager
- [x] javascript handling of order's workflows
- [ ] gather feedback

__Informations:__

| Q             | A
| ------------- | ---
| Tests pass?   | -
| Fixed tickets | -
| BC Breaks     | -
| Doc           | -

__Requires:__
https://github.com/sulu-cmf/SuluSalesCoreBundle/pull/12

remove empty line