Redo this series of examples from 2013, and adapt it to modern way of doing things. The biggest differences are that we use a headerbar right from the start, and don't mention the app menu. Fixes: #2730
= Examples = == Building the examples == The examples in this directory are built alongside the rest of GTK. The examples under the `application[1-10]` directories are also included in the GTK API reference documentation, and can be built independently, using the system libraries, by doing: $ cd application1 $ make -f Makefile.example