* rewrite tests to work with meson
This ports our tests to meson and makes them able to be run in parallel.
* add tests to ci
* rewrite test/check-trailing-newlines in bash
This test was using a GNU sed command which does not work on Alpine Linux.
This adds capabilities for start-stop-daemon by adding --capabilities
option. As a result, the user can specify the inheritable, ambient and
bounding set by define capabilities in the service script.
This fixes#314.