Release 3.0.1:
- use dune to build and install
- remove useless modules Gtke_install and Gtke_version

Release 3.0:
- upgrade to ocaml 4.12.0 and lablgtk3
- Gtksv_utils honors XDG_CONFIG_HOME to store configuration
- use Ocf instead of Config_file
- use stock buttons rather than hard-coded labels

Release 1.6:
- more robust handling of required tools version numbers
- do not require camlp4 any more

