- Let's just have one header definining export- and visibility-
macros for Calamares. They are still selected based on the
export flags (*_PRO), just defined in one header instead of two.
- more flexible way to keep (all kinds of) files from the host
system, into the target system.
- WIP: substitutions like in shellprocess (@@ROOT@@, @@HOME@@ probably)
- WIP: creating a JSON file from global settings