[WIP] work on menu bundle upgrade

                   
|Q            |A  |
|---          |---|
|Bug Fix?     |n  |
|New Feature? |n  |
|BC Breaks?   |n  |
|Deprecations?|n  |
|Tests Pass?  |n  |
|Fixed Tickets|   |
|License      |MIT|
|Doc PR       |   |
                   


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i would prefer if you would not change this in your commits - we should see if there happen to be problems with different versions of php / symfony.

its not hard to run the tests locally for fast feedback, just look at the .travis.yml and do the same steps.