Made request analyzer configureable

Made the use of the request analyzer configureable, defaults to true
- [x] 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