extracted route provider service to compiler pass

Extracted RouteProvider service definition to compiler pass, to initialize only if the request analyzer has been initialized.

- [ ] finish the code
- [x] gather feedback for my changes


| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| Tests pass?   | none
| Fixed tickets | https://github.com/sulu-cmf/sulu-standard/issues/51
| Doc           | none