App-Templates is now a git submodule to be include in each project that want to take advantages of its mechanisms. It helps to create a widget compatible with the application framework and also can generate a test dedicated widget for your project. It also helps you to build no matter which environment you use, Yocto, SDK, Native in any linux distribution.
Handling git submodule became more and more confusing and hard to maintains. So it will be a great add to convert it to a CMake module.