Move menu class to a model class
Merge branch 'develop' into feature/menus
Merge branch 'develop' into feature/menus
Add a first, inchoate version of the menus feature

I'm already now thinking of creating interfacer classes for each module that can do the same as the HMVC request to create the menu item are doing... Maybe there will be need for it some time also with regard to other modules, so we will see