A structure of an IVI HMI project which reduces cross-project object use

Appman supports two run time modes of pure QML apps: single- and multi-process. One of the main problems in using this is the danger that if an app is mainly developed in the single-process mode, a developer can accidentally start using objects instantiated in a different app. This will lead to a crash on multi-process. There are no run-time measures to prevent this (yet). For now, we should suggest how to structure the project repo so that a developer would see that he is importing components from other apps. This should become a section in the cook book