(from devmeeting #Fosdem) - adding new dependencies as core dependencies

- Curl - libssl - uuid - libunistring - libxml2

Any other candidates? They have to be libraries that are commonly installed on most Linux/Unix system.

This would mean that a lot of more modules will be built by default, like TLS, HTTP_CLIENT, WEBSOCKET.

We may also look over the names of the packages/groups for the build system and linux distros