[???] pre-push hook

added hook files and adjusted dependencies and gruntfile

__Tasks:__

- [x] add files for pre-push
- [ ] gather feedback for my changes

__Informations:__

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | yes
| Tests pass?   | none
| Fixed tickets | none
| Doc           | https://github.com/sulu-cmf/docs/blob/master/developer-documentation/000-foundation/README.md